问题
选择题
They _______ when they heard him confess his fault.
A．had been surprising
B．were surprising
C．were surprised
D．had been surprised
答案
答案：C
时间状语是过去时态，主句也应用过去时态，从句中heard是一般过去时态。
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They _______ when they heard him confess his fault.
A．had been surprising
B．were surprising
C．were surprised
D．had been surprised
答案：C
时间状语是过去时态，主句也应用过去时态，从句中heard是一般过去时态。