____to sunlight for too much time will do harm to one's skin

____to sunlight for too much time will do harm to one's skin.
A.exposed B.having exposed C.being exposed D.after being exposed
我想问的是为什么不能选a.现在分词的被动形式与过去分词的被动形式到底有什么区别?

idiotclear 1年前已收到3个回答举报

holyt 幼苗

共回答了12个问题采纳率：100% 举报

因为being exposed to sunlight too much time主语,要用动名词形式,所以要这样选.

1年前

huachifox 幼苗

共回答了1个问题举报

现在分词的被动同时表达了被动和进行两个概念。过去分词只表被动。
题目说的是“长时间在阳光下暴晒会对人的皮肤造成伤害。”人是被晒的没错，可是伤害却是一边晒一边造成的，是同时发生的情况，所以要用C。

1年前

风中挂面幼苗

共回答了54个问题举报

动名词做主语，不能出现单独的完整句子，过去分词被动出现在状语从句中，此处为主语从句

1年前

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你能帮帮他们吗

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