【題目】Experts say ________ to sunlight for too much time will do harm to one’s skin.

A. exposed B. having exposed

C. being exposed D. exposing

【答案】 C

【解析】試題分析：句意：專家說暴露在陽光下太多的時(shí)間會(huì)損害人的皮膚�？疾閯�(dòng)名詞做主語，而又是皮膚被暴露在陽光下，being exposed是exposing的被動(dòng)形式，exposed是過去分詞多作定語或狀語，having exposed作狀語，表示動(dòng)作在先。故選C。

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