单选题 22.  Could someone please call the ______ and tell him that there's a terrible mess in the pantry on the 10th floor?
【正确答案】 D
【答案解析】 选项A、B和C是都是负责安保的人员。选项D正确，janitor意思是“清洁工”，由后半句可知10层的配餐室现在一团糟。