题目内容
【题目】It rained heavily outside，________made us stay at home all day.
A. which B. why
C. that D. what
【答案】A
【解析】先行词是：It rained heavily outside（外面雨下的特别大）
which引导非限定性定语从句，在从句中充当主语。故选A。
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题目内容
【题目】It rained heavily outside，________made us stay at home all day.
A. which B. why
C. that D. what
【答案】A
【解析】先行词是：It rained heavily outside（外面雨下的特别大）
which引导非限定性定语从句，在从句中充当主语。故选A。