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He has got lung cancer smoking 20 cigarettes a day.A.becauseB.as a resultC.as a

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He has got lung cancer smoking 20 cigarettes a day.A.becauseB.as a resultC.as a

He has got lung cancer ________ smoking 20 cigarettes a day.

A.because

B.as a result

C.as a result of

D.resulted in

试题答案

C

because为连词,后面应接句子;as a result后面表示的是结果;as a result of后面表示的是原因;resulted in后面是结果。根据结构和意义确定答案为C项,表示“由于一天吸20支烟”。