问题
选择题
— What made your skin look so terrible?
— _______ to the sunlight for a long time.
A．Because it was exposed
B．After being exposed
C．Being exposed
D．Exposed
答案
答案：C
句意：什么使你的皮肤看起来如此糟糕呢？可知是对主语进行提问。答语为：长时间暴露于阳光下使我的皮肤看起来如此糟糕。Be exposed to 暴露于，所以用动名词做主语，省略了重复的部分。选C。