I was really anxious about you.You home without a word.
A. mustn't leave
B. shouldn't have left
C. couldn't have left
D. needn't leave
网友回答
A. mustn't leave
(答案→)B. shouldn't have left
C. couldn't have left
D. needn't leave
解析：
该空含你本不应该一句话不说就离开家但实际已这么做之意，所以应填shouldn't have left。