we have confidence ______ college students of this sortA.at B.on C.with D.in请说明原因.

we have confidence ______ college students of this sortA.at B.on C.with D.in请说明原因.
we have confidence ______ college students of this sort
A.at B.on C.with D.in
请说明原因.

we have confidence ______ college students of this sortA.at B.on C.with D.in请说明原因.
选D,have confidence in 对...有信心
我们对这种类型的大学生很有信心.