Once there was a poor farmer and his farm belonged to   a rich man. One day he brought a basket of apples to the rich man's house. On the doorsteps, he met two monkeys dressed like children. They jumped onto the basket to eat the apples and threw some on the ground. The farmer politely took off his hat and asked the monkeys to get off. They obeyed   and the farmer went into the house. He asked to see the rich man. A servant took him to the room where the rich man was sitting. "I have brought you the basket of apples you asked for," he said. "But why have you brought a half-empty basket?" the rich man asked. "I met your children outside, and they stole   some of the apples. The monkeys left the basket because   _  .
they had thrown apples on the ground the farmer had politely asked them to get off they were afraid of the hat the farmer was angry with them
Question: Once there was a poor farmer and his farm belonged to   a rich man. One day he brought a basket of apples to the rich man's house. On the doorsteps, he met two monkeys dressed like children. They jumped onto the basket to eat the apples and threw some on the ground. The farmer politely took off his hat and asked the monkeys to get off. They obeyed   and the farmer went into the house. He asked to see the rich man. A servant took him to the room where the rich man was sitting. "I have brought you the basket of apples you asked for," he said. "But why have you brought a half-empty basket?" the rich man asked. "I met your children outside, and they stole   some of the apples. The monkeys left the basket because   _  .
A. they had thrown apples on the ground
B. the farmer had politely asked them to get off
C. they were afraid of the hat
D. the farmer was angry with them
Answer: