问题
选择题
______fashions differ from country to country may reflect the culture difference from one aspect.
A．What
B．That
C．This
D．Which
答案
答案：B
what在引导的主语从句、宾语从句、表语从句中充当句子成分，而that在引导的上述从句中不充当句子成分，只起连接作用。that引导的主语从句常可用it充当形式主语。例如：It is wellknown that Taiwan is part of China. （众所周知，台湾是中国领土不可分割的一部分。）