If not ______ with the respect he feels due to him, Jack gets very ill-tempered and grumbles all the time.
【正确答案】
B
【答案解析】当条件状语从句的主语与主句主语一致,并且从句谓语含有be时,可以将从句主语和be一并省略。本句主语是Jack,与treat之间为被动关系,故使用过去分词treated,答案为B。本题还原为完整的条件句为:If Jack is not treated with the respect he feels due to him…。