GMAT考试OG上逻辑题CR有困惑,

GMAT考试OG上逻辑题CR有困惑,
In Washington County,attendance at the
movies is just large enough for the cinema operators to make modest profits.
The size of the county’s population is stable and is not expected to increase
much.Yet there are investors ready to double the number of movie screens in
the county within five years,and they are predicting solid profits both for
themselves and for the established cinema operators.
Which of the following,if true about
Washington County,most helps to provide a justification for the
investors’prediction?
(A) Over the next ten years,people in
their teenage years,the prime moviegoing age,will be a rapidly growing proportion
of the county’s population.
(B) As distinct from the existing cinemas,
most of the cinemas being planned would be located in downtown areas,in hopes
of stimulating an economic revitalization of those areas.
(C) Spending on video purchases,as well as
spending on video rentals,has been increasing modestly each year for the past
ten years.
(D) The average number of screens per
cinema is lower among existing cinemas than it is among cinemas still in the
planning stages.
(E) The sale of snacks and drinks incinemas accounts for a steadily growing share of most cinema operators’profits.
D怎么不选