问题描述：
This maths problem is ___ that one .
A so easy as B as difficult C much difficult than D less easier than
选哪个呀 分析下 为什么D 是错的 我选D D
d选项错在哪呀
纠正 B as difficult as 我 选的是D 错在哪呢？
A so easy as B as difficult C much difficult than D less easier than
选哪个呀 分析下 为什么D 是错的 我选D D
d选项错在哪呀
纠正 B as difficult as 我 选的是D 错在哪呢？
问题解答：
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