【正确答案】 D

【答案解析】[解析] enhance“提高”，enhance someone's reputation提高某人的声誉。magnify“放大”：A microscope magnifies bacteria.显微镜将细菌放大。strengthen“加强”，不宜与reputation搭配。enlarge指面积或体积扩大：enlarge a house by adding a new wing新建一厢房以扩大房屋。