Drinking too much your health.A. do harm toB. is harm toC. does harm toD. do harmful to

问题补充：

Drinking too much your health.

A. do harm to

B. is harm to

C. does harm to

D. do harmful to

答案：

A. do harm to

B. is harm to

(答案→)C. does harm to

D. do harmful to

解析：原句意思是：饮酒过度对你的身体有害处。Harm是名词，harmful是形容词。表示“对……有害”，可用be harmful to， 也可以是do harm to，比较A与C，注意主语是Drinking，所以答案是C。