---Not only _____to Beijing,but I've also climbed the Great Wall.---Fantastic experience.

问题描述:

---Not only _____to Beijing,but I've also climbed the Great Wall.---Fantastic experience.
A.I have been B.have I been C.did I go D.I went 选哪项呢?

B
因为not only否定词放在了句首,所以要用倒装,因为后半句用的是完成时态,这是并列句,所以也要用完成时态.