____ the help of the teacher,Tom has made rapid progress ____ his studies.

问题描述:

____ the help of the teacher,Tom has made rapid progress ____ his studies.
A.For; at
B.Of; for
C.By; on
D.With; in

D.With; in
with the help of sb = with one's help 在某人的帮助下
make progress in 在.取得进步