GMAT逻辑题求答案及解释In January of last year the Moviemania chain of movie theaters started propping its popcorn in canola oil,instead of the less healthful coconut oil that it had been using until then.Now Moviemania is planning to switch

GMAT逻辑题求答案及解释In January of last year the Moviemania chain of movie theaters started propping its popcorn in canola oil,instead of the less healthful coconut oil that it had been using until then.Now Moviemania is planning to switch
GMAT逻辑题求答案及解释
In January of last year the Moviemania chain of movie theaters started propping its popcorn in canola oil,instead of the less healthful coconut oil that it had been using until then.Now Moviemania is planning to switch back,saying that the change has hurt popcorn sales.That claim is false,however,since according to Moviemania’s own sales figures,Moviemania sold 5 percent more popcorn last year than in the previous year.
Which of the following,if true,most strongly supports the argument against Moviemania’s claim?
A.Total sales of all refreshments at Moviemania’s movie theaters increased by less than 5 percent last year.
B.Moviemania makes more money on food and beverages sold at its theaters than it does on sales of movie tickets.
C.Moviemania’s customers prefer the taste of popcorn popped in coconut oil to that of popcorn popped in canola oil.
D.Total attendance at Moviemania’s movie theaters was more than 20 percent higher last year than the year before.
E.The year before last,Moviemania experienced a 10 percent increase in popcorn sales over the previous year.

GMAT逻辑题求答案及解释In January of last year the Moviemania chain of movie theaters started propping its popcorn in canola oil,instead of the less healthful coconut oil that it had been using until then.Now Moviemania is planning to switch
题目是说,mm公司用一种新型油来炸爆米花,但是公司说这种油不划算,要改用过去的旧油.然后题目反对这种决定,说用新油后,爆米花销售增长了5%
问,以下答案那个支持题目反对公司的决定.（即哪个削弱了公司更换油的决定）
选a,小吃的总增长率低于5%,那么爆米花增长5%说明是强于平均情况的,也就是说比以前的旧油好.
b是无关,c也是无关,口味跟销售 无关 d加强,如果观众增加20%,爆米花只增加5%,说明销售是下降了.e加强,说明增长率下降,支持了换油的决定.
综上,选a.