It was an exciting moment for these fans this year, for the first time in years they saw

发布时间：2020-08-16 14:56:00

It was an exciting moment for these fans this year,      for the first time in years they saw their favorite singers.
A. that
B. which
C. when
D. while

网友回答

A. that
B. which
(答案→)C. when
D. while
解析：在英文中修饰名词的定语从句，先行词表示时间通常用关系词when，故本题选C。
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