I was really anxious about you. You home without a word. A. mustn’t leaveB. shouldn’t ha

问题补充：

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

答案：

A. mustn’t leave

(答案→)B. shouldn’t have left

C. couldn’t have left

D. needn’t leave

解析：从题意分析，对方没有打招呼就去了，造成的结果是I was really anxious,故B表示过去不应不打招呼就走。