It was not for their personal interest _they did that.
问题描述:
It was not for their personal interest _they did that.
A.when B.so C.as D.that
为什么D?
答
把句子这样调正一下,兴许你能明白.
That they did that was not for their personal interest.他们那么样做并不是为了他们的私人利益.
That they did that 是主语从句,也就是说原句中it不是真正的主语.
举个例子:
That I love you is known by everyone.大家都知道我爱你.
That I love you 主语从句
也等于:It is known by everyone that I love you.