to sunlight for too much time will do harm to one’s skin. A. ExposingB. Being exposedC. Ha

问题补充：

to sunlight for too much time will do harm to one’s skin.

A. Exposing

B. Being exposed

C. Having exposed

D. Exposed

答案：

A. Exposing

(答案→)B. Being exposed

C. Having exposed

D. Exposed

解析：考察动名词做主语。本题是考察动名词做主语，且使用被动语态，故使用动名词的被动形式。句意：暴露在阳光下太长时间会对皮肤有很大伤害。故B正确。