【题干考查点】细节题。Baker改变员工策略的原因：
【原文定位句】定位段落第四段，定位句为“Moreover,teenagers now get young shop assistants，and staff in the sports departments are themselves sports fans in trainers．As Baker explains，‘How can you sell jeans if you’re wearing a black suit?Smithson’s has a new identity, and this needs to be made clear to the customers．”’即：而且，店铺的服务员趋于年轻化，销售运动服部门的员工本身都是运动迷，都穿着运动鞋。正如Baker所说，如果你穿着西装那么如何能卖出牛仔裤呢?Smithson’s百货公司必须使店内员工与顾客产生共同点或共同语言。【答案对应点】原文定位句中Smithson’s has a new identity．and this needs to be made clear to the customers对应选项C中customers should be able to identify with the staff serving them。
【干扰项分析】选项A中image can be improved through staff uniforms表示员工制服的改变可以提高公司形象，而原文中只是陈述了制服改变这一事实，并没有说明制服改变带来了哪些影响；选项B、D在定位段落没有提及。