问题
选择题
Meeting my uncle after all these year was an unforgettable moment ,_______I will always remember.
A．that
B．one
C．it
D．what
答案
答案：B
题目分析：句意：这么多年后遇到我叔叔是我会永远难忘的时刻。这里需要代词指代an unforgettable moment，做它的同位语，one可以泛指前面的可数名词单数，that是特指可数名词单数和不可数名词，it是指同类同物，what不能引导非限制性定语从句，所以选B。