I don’t remember how many years ago I was taken to Beijing for the first time.
A. it was when
B. it was that
C. was it that
D. was it when
网友回答
A. it was when
(答案→)B. it was that
C. was it that
D. was it when
解析：考查强调句。本题考查强调句的疑问结构，强调的是 how many years ago，故选B。句意：我记不得我第一次被带到北京是多少年前了。