同学你好，该知识点来自沪江网校《2022考研VIP协议班【政治+英语一】（渠道专享）》的课程，想要更系统的学习，欢迎进入课程学习。不仅可以和更多的同学一起学习，而且还有老师、助教随时的学习指导和知识点解答哦。

Though several fast-fashion companies have made efforts to curb their impact on labor and the environment——including H&M, with its green Conscious Collection Line——Cline believes lasting change can only be effected by the customer. She exhibits the idealism common to many advocates of sustainability, be it in food or in energy. Vanity is a constant; people will only start shopping more sustainably when they can’t afford not to.   <br/>本段最后一句提到,只有当人们无法为自己的虚荣心买单时，他们才会以更加可持续的方式去购物。选项[D]是对定位句的推断概括。<br/>B选项看起来似乎也可，但是不是推断的，更不是中心思想，只是一种现象。