They waited and waited. they had been looking forward to.
A. Then the hour came
B. The hour then came
C. Then came the hour
D. Then did the hour e
网友回答
A. Then the hour came
B. The hour then came
(答案→)C. Then came the hour
D. Then did the hour e
解析： then等副词在句首，句子要完全倒装；后面还跟了一个定语从句。