被动语态怎么改特殊疑问句?

题目

被动语态怎么改特殊疑问句?
例如：I was hit by him.
对by him 划线提问,要怎么改?
再帮我看道题吧..
Could you tell me(
A whom were lights invented
B that lights were invented
C who lights were invented by
D by who lights are invented

答案

Who were you hit by?
C
把要提问的部分改成相应的who/where/what/how
再把谓语(do/be)改成疑问形式