Jennifer: Video rental outlets in Centerville together handled 10,000 fewer video rentals in 1994 than in 1993. The decline in rentals was probably due almost entirely to the February 1994 opening of Videorama, the first and only video rental outlet in the area that, in addition to renting videos, also sold them cheaply.
Brad: There must be another explanation: as you yourself said, the decline was on the order of 10,000 rentals. Yet Videorama sold only 4,000 videos in 1994.
Which of the following, if true, would most seriously weaken the force of the objection that Brad presents to Jennifer's explanation?
(A) In 1994 Videorama rented out more videos than it sold.
(B) In 1994 two new outlets that rent but that do not sell videos opened in Centerville.
(C) Most of the video rental outlets in Centerville rent videos at a discount on certain nights of the week.
(D) People often buy videos of movies that they have previously seen in a theater.
(E) People who own videos frequently loan them to their friends.
答案是E，E当然是一个decline的原因，但是题目问的是哪个选项weaken the force of the objection that Brad presents.Brad 说there must be anothere explanation.而E正是这个explanation. 所以没有weaken.而A，说这家新公司虽然卖的数量少于旧公司decline的数量，但是由于它rentout more, 所以还是因为新公司的出现影响了旧公司。那么brad的objection就weaken了，因为它说theremust be another explanation, 而不是新公司的影响。
请大家帮忙解释一下
我也觉得选a,望高手指导
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