单选题
It was clever ______ at the answer in two minutes.
A、
of him to arrive
B、
for him to arrive
C、
for his arriving
D、
of his arriving
【正确答案】
A
【答案解析】
比is+形容词+of+名词/代词+不定式，of后的名词/代词为不定式的动作发出者。
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