在本节中，你将听到15个对话，每个对话有一个问题。请从题中所给的[A]、[B]、[C]三个选项中选出答案，并标在试卷的相应位置。每段对话后有15秒种的停顿，以便回答问题和阅读下一问题。每段对话读两遍。
下面，请听这些对话：
When was the baby born

A． He was at school.
B． He was at home.
C． He was at the cinema.