题目内容：

听下面一段独白，回答以下小题。

1.How old was the baby when he learned to say that word correctly?

A. About 18 months.    B. About 21 months.    C. About 24 months.

2.What did the father do when the baby screamed that word at the airport?

A. He corrected the baby.    B. He tried to stop the baby.    C. He hid himself somewhere.

3.Why did the mother pretend not to know about the baby?

A. She got angry with the father.

B. She was frightened by the noise.

C. She felt uneasy about the noisy baby.