We were invited to attend her birthday party .If she doesn'tA.nor do I B.neither do I c.nor shall I D.neither I shall 为什么会有nor在句首的?

问题描述:

We were invited to attend her birthday party .If she doesn't
A.nor do I B.neither do I
c.nor shall I D.neither I shall
为什么会有nor在句首的?

B
别的选项都错nor不能在句首

应该是Neither shall I吧