Question

【题目】I think _______ impresses me about his painting is the colours he uses.

A. what B. that

C. which D. who

Answer 1

【答案】A

【解析】考查主语从句。句意：我认为关于他的画给我印象最深的是他使用的颜色。在主语从句中what做主语，指代物；that 只起连接作用，不做句子成分；which哪一个；who做主语，指代人；本从句中缺少主语， 根据语境可知，物做主语。所以选A。