英语选择,请大家多多回答,我好选择最好的追分!

问题描述:

英语选择,请大家多多回答,我好选择最好的追分!
The old man had to do all the work himself ( )
A did he B had he C didn't he D hadn't he
我知道是个反意疑问,但不知道选什么,请懂的教我,不懂不要乱说

当然是选c
原句是一个一般过去时,前肯后否的原则就应当选c