We have finished the work in time your helpSo we are very grateful for that．Which of the

问题补充：

We have finished the work in time your help．So we are very grateful for that．Which of the following is NOT proper?

A. thanks to

B. because of

C. as a result of

D. leading to

答案：

A. thanks to

B. because of

C. as a result of

(答案→)D. leading to

解析：介词辨析。A多亏；B因为；C因为；没有D这个短语。根据句意可知ABC都适合的。按照题目要求，那个是不合适的，故选D。