问题
选择题
— Have you been to the Great Wall?
—Perhaps not in my memory. ________, it might have been during my early childhood.
A．If any
B．If so
C．If ever
D．If not
答案
答案：C
考查省略。句意：你去过长城吗?也许不记得了。如果曾经去过，可能是在我童年的时候。If ever 如果曾经，所以选C。