Question

I saw her in the office this morning. She ________ back to work without the doctor's permission.

A. couldn't come
B. couldn't have come
C. should have come
D. should not have come

Answer 1

答案D
此题考查情态动词的完成式。“should not have come back”表示“本不该回来”(但实际上已经回来了)，含有责备的口气，符合题意。