to the sunlight for a long time does harm to one’s skin. A. ExposingB. Be exposedC. Expos

问题补充：

to the sunlight for a long time does harm to one’s skin.

A. Exposing

B. Be exposed

C. Exposed

D. Being exposed

答案：

A. Exposing

B. Be exposed

C. Exposed

(答案→)D. Being exposed

解析：作句子主语，故用动名词形式。expose和其逻辑主语之间是被动关系，故用动名词的被动式，故选D。