We havent settled the question of it is necessary for him to study abroad. A. ifB. where

问题补充：

We haven settled the question of it is necessary for him to study abroad.

A. if

B. where

C. whether

D. that

答案：

A. if

B. where

(答案→)C. whether

D. that

解析：主要测试宾语从句。首先结合所学知识可知能够和介词搭配的连接词没有if，首先排除；另外结合语境可知句子意思为：我们还没有解决对于他是否有必要出国学习的问题。结合语境和答案可知句子 it is necessary for him to study abroad中应该是作出选择的情况。