问题
选择题
The lecture was called off five minutes before it was supposed to start, ________made the audience
angry. [ ]
A. what
B. that
C. when
D. which
答案
答案：D
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The lecture was called off five minutes before it was supposed to start, ________made the audience
angry. [ ]
A. what
B. that
C. when
D. which
答案：D