most of the classmates wanted to know the way ___ he learns English.

问题描述:

most of the classmates wanted to know the way ___ he learns English.
a.which b.in which c.by which d.about which
为什么?
不用加介词,直接用which吗?

most of the classmates wanted to know the way _B__ he learns English.
a.which b.in which c.by which d.about which
先行语是the way所以要用in which .
我是英语教师,不明可再问.