We went though a period---communications were difficult in t

问题描述：

We went though a period___communications were difficult in the rural areas.A whichB whose
We went though a period___communications were difficult in the rural areas.
A whichB whoseC in whichD with which
为什么选C
1个回答 分类：英语 2014-11-27

问题解答：

我来补答
period做先行词.
而后面的定语communications were difficult in the rural areas in that period,所以必须是C
 
 
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