People will find themselves suffering from headache and watering eyes, and even

游客2025-03-19 15

问题 People will find themselves suffering from headache and watering eyes, and even snowblindness, when______to several hours of "snow light".

选项 A、being exposed
B、having been exposed
C、exposed
D、exposing

答案 C

解析相当于when they are exposed to…。在when，if，unless，though，while，once引导的从句中，如省略，必须将主语与be动词一起省掉。另外，“人们被置于雪光中”，是被动语态，所以D是错的。

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