听力原文：M: Where were you last night?
W: I was in all evening. The phone rang while I was washing my hair. I couldn't answer it. I'm sorry.
Q: Why didn't the woman answer the telephone?
(19)
A.Because she was not at homE.
B.Because she didn't hear the telephone ring.
C.Because she was washing her hair.
D.Because she didn't want to answer.

A.Q:
B.Because
C.
B.Because
D.
C.Because
E.
D.Because

【参考答案】

C
解析：信息明示题。女士说昨晚电话铃响的时候她在洗头，所以没能接听，故C正确。in在此为副词意为“在家”。