If we don't listen to him carefully,he will give us some punishments by _____us some questions.a)ask b)asks c)asking d)asked

If we don't listen to him carefully,he will give us some punishments by _____us some questions.a)ask b)asks c)asking d)asked
If we don't listen to him carefully,he will give us some punishments by _____us some questions.
a)ask b)asks c)asking d)asked

If we don't listen to him carefully,he will give us some punishments by _____us some questions.a)ask b)asks c)asking d)asked
c)asking
by ,有通过什么方式,使用什么手段的意思.
这里就是：通过问我们一些问题来惩罚.