(单选题)

Why should businessmen make use of the sites that screen suppliers? ( )

A.cause those sites can legitimize suppliers
B. Because those sites are free of charge

B.Because those sites can verify the suppliers’ legitimacy

C.Because those sites can arrange factory visits for businessmen

参考答案：C

参考解析：

细节题，根据题干的关键词screen suppliers和sites可以定位至第二段后半段Under their “verified suppliers” system,…This also means if you pick a “verified supplier”, you can be sure the contact person is a legitimate…可知这些网站可以确认供应商的合法性，故选项C正确。选项A：这些网站可以让供应商合法，表述错误；选项B：这些网站是免费的，文中并未以及；选项D：这些网站可以为商人预约工厂参观，文中并未提及。故本题正确答案选C。

知识点：细节题英语阅读理解通用英语