问题补充:
to sunlight for too much time will do harm to one’s skin.
A. After exposed
B. If exposing
C. Having exposed
D. Being exposed
答案:
A. After exposed
B. If exposing
C. Having exposed
(答案→)D. Being exposed
解析:考查非谓语动词。句中考查动名词短语作主语,be exposed to暴露在…..。句意:在阳光下暴露太长的时间将对一个人的皮肤有害。故D正确。