在本节中，你将听到15个对话，每个对话有—个问题。请从[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秒钟的停顿，以便回答问题和阅读下一问题及其选项。每段对话读两遍。 下面，请听这些对话。 What is it made of

[A] They are talking about building a house.
B. They are talking about their modem house.
C. They are talking about making things.

A．

B．

C．