24.This is the microscope ______ which we have had so much trouble.

问题描述:

24.This is the microscope ______ which we have had so much trouble.
A) at
B) from
C) of
D) with
为什么是D呢,of不行吗

have trouble with sth.
如:They have some troubles with the machine.
他们的机器出问题了.
这句话说的是,这就是我们出了很多问题的microscope.先行词which指代microscope.因此用with.