If not ______ with the respect he feels due to him, Jack gets very ill-tempered and grumbles all the time.[2004]
【正确答案】 B
【答案解析】解析：if引导的条件状语从句中的主语和谓语动词被省略了，完整的应该是if Jack is not treated．．．。因此本题应该选择B。