12-year-old John Thomas Robertson is a born train fan. "I've liked trains probably from the day I was born," he told Good Morning America. "When I was very little," he said, "my grandpa got me a train model. I would just watch it go round for hours and hours." When Robertson finally had the opportunity to ride on a train, he felt great. His journey was so _ that he couldn't keep it to himself: he decided to take all his classmates to go on a ride with him. When he found that some of his classmates couldn't pay the fare, he collected cans   and bottles and raised more than $1,000 for them. That trip was such a happy one that he made it a yearly action. "It never gets boring for some reason; it's just fun," he said. "It really lets people get away from their busy life and have fun. Every October, Robertson takes a new group of children to ride on the train --but now, he has a problem. Several disabled children were refused because the train was not accessible   to disabled people. "He was angry to think that children of his own age couldn't ride a train," his mother said. But he wouldn't say no: he recently sent a letter to the train office for help. To his surprise, the leader, Ty Pennington, accepted the letter in person. He said that he and his workers would work on making a train accessible to disabled people. The first time John Thomas Robertson took a train,   _  .
he was frightened by it he acted as a driver he watched it for hours he fell in love with it
Question: 12-year-old John Thomas Robertson is a born train fan. "I've liked trains probably from the day I was born," he told Good Morning America. "When I was very little," he said, "my grandpa got me a train model. I would just watch it go round for hours and hours." When Robertson finally had the opportunity to ride on a train, he felt great. His journey was so _ that he couldn't keep it to himself: he decided to take all his classmates to go on a ride with him. When he found that some of his classmates couldn't pay the fare, he collected cans   and bottles and raised more than $1,000 for them. That trip was such a happy one that he made it a yearly action. "It never gets boring for some reason; it's just fun," he said. "It really lets people get away from their busy life and have fun. Every October, Robertson takes a new group of children to ride on the train --but now, he has a problem. Several disabled children were refused because the train was not accessible   to disabled people. "He was angry to think that children of his own age couldn't ride a train," his mother said. But he wouldn't say no: he recently sent a letter to the train office for help. To his surprise, the leader, Ty Pennington, accepted the letter in person. He said that he and his workers would work on making a train accessible to disabled people. The first time John Thomas Robertson took a train,   _  .
A. he was frightened by it
B. he acted as a driver
C. he watched it for hours
D. he fell in love with it
Answer: