听力原文：W: How much are these pillows?
M: 30 yuan each or 50 yuan a pair.
How much does one pillow cost?
A.100 yuan.
B.60 yuan.
C.50 yuan.
D.30 yuan.

A.How
B.100
C.
B.60
D.
C.50
E.
D.30

【参考答案】

D
解析：女士问枕头怎么卖，男士说：“三十元一个。五十元一对。”而问题是问一个枕头多少钱。30 yuan eac......

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