Both Writewell and Express provide round=the-clock telephone assistant to any customer who uses their word-processing software. Since customers only call the hotlines when they find the software difficult to use, and the Writewell hot receives four times as many calls as te Express hot line, Writewell's word-processing software must be more difficult to use than Express's. Which of the following, if true, most strengthens the argument above?
A Calls to Express hto line are almost twce as long, on average, as are calls to the Writewell hot line.
B Express has three times the number of word-processing software customers that Writewell has.
C Express receives twice as many letters of complaint about its word-processing software as Writewell receives about its word-processing software
D The number of calls received by each of the two hot lines has been gradually inceasing
E The Writewell hotline number is more widely publicized than the Express hotline number.
正确答案是B
我选A
Please help to give the reason of the correct choice
题目问加强～～mm是不是看错了
题干说，w接到的投诉电话是E的四倍，即W的电话比E生产的电话用起来更困难，问加强
A：E接到的投诉电话虽然数目比W少，但是平均通话时间长两倍
（这明明是说E的产品其实也很困难，是削弱）
B：E拥有的客户比W多三倍
（说明E客户的基数比W多，而且投诉电话接的还少，说明W生产的产品比E困难，加强结论)
A明显是个削弱啊，Calls to Express hto line are almost twce as long, on average, as are calls to the Writewell hot line,E的电话长，造成别人打不进来是一，二就是由于太难用，得解释很长时间，导致电话时间长。削弱结论。
B很好啊，说E卖出更多的软件，接到更少的求助热线，加强结论。
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