The teacher said this is the ______ to this question.A.way B.means C.key D.method

问题描述:

The teacher said this is the ______ to this question.
A.way B.means C.key D.method

C the key to sth 做某事的关键。
老师说这是这个问题的关键。to 是介词。

a.方式,道路
b.手段
c.关键,钥匙
d.方法
选C吧,老师说这是解决这个问题的关键

选C .表示“答案”