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问题: The doctor came in hurriedly with _____ look.

The doctor came in hurriedly with _____ look.
A. worrying
B. worried
C. a worrying
D. a worried
the answer is D,why not C

解答:

worried is an Adj Worring is only a V+ing can not used as an Adj to modify or describe things. Also, worringly is an adv.don't confuse them.