C

There was once a man who kept ten monkeys as pets as he was very fond of them.Every morning the monkeys would climb up and down the trees or swing from one branch(树枝)to another in his backyard.After that，he would feed them bananas.

One morning the man said to the monkeys，“We have very few bananas left today.For breakfast I shall give each of you two bananas and four for dinner.”

When the monkeys heard this，they looked very unhappy.They refused(拒绝)to take the bananas that the man was handing out to them.

“Very well，then.You shall have four bananas in the morning and two for dinner，”the man said.

The monkeys looked at one another.Then they jumped up and down happily，nodding their heads.They took the big，yellow bananas from the man and started eating.

Choose the best answer.

21.The man kept the monkeys because he _________ .

A.liked them B.sold monkeys as pets

C.wanted them to work for him

D.had many banana trees in his backyard

22.The man fed the monkeys _________ .

A.twice a day B.in the afternoon

C.only when they were hungry