Question

【题目】—I really like eating potato chips.Do you know ________they were invented?

—Actually,they were invented by mistake.

A.whyB.whenC.howD.whether

Answer 1

【答案】C

【解析】

句意：——我真的很喜欢吃薯片。你知道它们是怎么被发明出来的吗？——事实上，它们是被错误地发明出来的。

本题考查宾语从句。why为什么，when什么时候，how如何，whether是否。根据they were invented by mistake.可知，此处询问它们是如何被发明的。故选C。