一道高中的英语题定语从句We have several subjects,and I think __________
一道高中的英语题定语从句
We have several subjects,and I think __________ English is the easiest ______
A.of which;to study
B.among which;to be learned
C.of those; to follow
D.among them;to be picked up
给讲一下,谢谢