I was reallyanxious about you. You ________ home without a word.
A.mustn’tleaveB.shouldn’thave leftC.couldn’thave leftD.needn’tleave在线课程B
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表示不应该不打招呼就走。