lt’s very ______ you to work out the problem in such a short

lt's very ______ you to work out the problem in such a short time.A.kind of B .kind for .
C.clever for D.clever of

选clever of
这是惯用句式
it's very +形容词+ of 某人 to 动词(做某事)
某人做某事真是太xxx了.
比如说,It is very nice of you to pass me the bottle.
It's very kind of you to give me a call.

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