问题补充：
She said she was sorry the train, so she had to stay for another day.
A. missing
B. having missed
C. to miss
D. to have missed
答案：
A. missing
B. having missed
C. to miss
(答案→)D. to have missed
解析：考查不定式的用法：be sorry to do是很遗憾做…，当不定式的动作是先于主句的动作，不定式是完成式，句意：她说很遗憾错过了火车，因此她不得不再待一天。选D。
