Since the research studies have shown a relationship between cancer and cigarette smoking, many people have cut down

Câu hỏi :

Since the research studies have shown a relationship between cancer and cigarette smoking, many people have cut down

A ceased smoking

B become frightened      

C decreased the number of cigarettes

D gotten sick

* Đáp án

C

* Hướng dẫn giải

Phương pháp giải:

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