---We have reached the point _______ a great change is needed.A which B when C that D where
热心网友
Ｃ这是同位语从句，point的内容就是a great change is needed，而同位语从句用that连接，所以是Ｃ
热心网友
A
热心网友
dA 是正确答案，是不可能的 a great change is needed. at the point 所以We have reached the point at which or where a great change is needed.应该对的，我相信你也能理解．
热心网友
C
热心网友
哈哈，众说纷纭，让我告诉正确答案：A这里的a great change是指代前面的the point we reached要与the point we reached连接则要用which
热心网友
d