单选题 3.  Having finished all the housework, the housewife ______ herself comfortably in the sofa.
【正确答案】 D
【答案解析】[考点] 动词辨析
sit为不及物动词；seat sb. 让某人坐下。句意为：做完家务后，那个家庭主妇舒服地在沙发上坐下。