英语倒装句问题i really enjoy the concert and never before ---- a co

i really enjoy the concert and never before ____ a concert would be so amazing
A did i think B had i thought
选B
never before放句首的部分倒装
主要是时态的问题
【never before】是以前从未曾有过的意思,表示完成的概念
所以用现在完成时
有不会的可以再问我