题目内容

What a great weight I felt taken off my mind ________ I heard I had passed the College Entrance Examination!
A．whileB．the momentC．untilD．before
B
the moment是名词词组用作连词，用来连接时间状语从句，意思相当于as soon as。句意为：一听到我通过了大学考试，我感到如释重负。
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