O. Henry, born in Greensboro, North Carolina, was the pen name of William Sydney Porter. His father, Algernon Sydney Porter, was a physician. When William was three years old, his mother died, and he was raised by his grandmother and aunt. William was a good reader, but at the age of fifteen he left school, and worked in a drug store and later on a Texas farm. After that, he moved to Houston, where he had a number of jobs, including that of bank clerk. After moving to Austin, Texas, in 1882, he married. In 1884 he started a humorous weekly The Rolling Stone. When the weekly failed, he joined The Houston Post as a reporter and columnist . In 1897 he was put into prison over some financial dealings. While in prison, William started to write short stories to earn money to support his daughter Margaret. His first work, Whistling Dick's Christmas Stocking(1899), appeared in McClure's Magazine. After serving three years of the five years' sentence,he changed his name to O. Henry, hoping to forget his bitter past. O. Henry moved to New York City in 1902 and from December 1903 to January 1906 he wrote a story a week for the New York World, and also published the stories in other magazines. His first collection, Cabbages and Kings, appeared in 1904. Many other works quickly followed, such as The Gift of the Magi and The Furnished Room. O. Henry's best- known work is The Ransom of Red Chief. His stories always have surprising endings. He published 10 collections and over 600 short stories during his lifetime. O. Henry's last years were shadowed by drinking, ill health, and financial problems. In 1907, he experienced a failed marriage. In 1910, O. Henry died after an illness. O. Henry spent some time in prison because   _  .
he got involved in some problems connected with money he joined The Houston Post as a reporter and columnist his weekly The Rolling Stone failed he couldn't earn enough money to support his daughter
Question: O. Henry, born in Greensboro, North Carolina, was the pen name of William Sydney Porter. His father, Algernon Sydney Porter, was a physician. When William was three years old, his mother died, and he was raised by his grandmother and aunt. William was a good reader, but at the age of fifteen he left school, and worked in a drug store and later on a Texas farm. After that, he moved to Houston, where he had a number of jobs, including that of bank clerk. After moving to Austin, Texas, in 1882, he married. In 1884 he started a humorous weekly The Rolling Stone. When the weekly failed, he joined The Houston Post as a reporter and columnist . In 1897 he was put into prison over some financial dealings. While in prison, William started to write short stories to earn money to support his daughter Margaret. His first work, Whistling Dick's Christmas Stocking(1899), appeared in McClure's Magazine. After serving three years of the five years' sentence,he changed his name to O. Henry, hoping to forget his bitter past. O. Henry moved to New York City in 1902 and from December 1903 to January 1906 he wrote a story a week for the New York World, and also published the stories in other magazines. His first collection, Cabbages and Kings, appeared in 1904. Many other works quickly followed, such as The Gift of the Magi and The Furnished Room. O. Henry's best- known work is The Ransom of Red Chief. His stories always have surprising endings. He published 10 collections and over 600 short stories during his lifetime. O. Henry's last years were shadowed by drinking, ill health, and financial problems. In 1907, he experienced a failed marriage. In 1910, O. Henry died after an illness. O. Henry spent some time in prison because   _  .
A. he got involved in some problems connected with money
B. he joined The Houston Post as a reporter and columnist
C. his weekly The Rolling Stone failed
D. he couldn't earn enough money to support his daughter
Answer: