单选题 The lecturer was trying hard to make himself understood,but to the

题目

单选题 The lecturer was trying hard to make himself understood,but to the
The lecturer was trying hard to make himself understood,but to the disappointment of all the students present,his explanation _______ their confusion.
A.resulted in B.gave rise to C.led to D.add to
要理由的,
D是added to

答案

D.added to 增加了
A是结果是
B是提高了
C是导致了
C似乎正确,但是实际上学生们不是一点不懂,而是更加困惑了,所以选D