A recent study of Brooklyn pubs showed that out of a large number of pub-goers surveyed, those who visited pubs more than two times a week typically spent more money per visit than people who visited pubs two times a week or less. Therefore, people trying to curtail pub expenses this month onwards should limit their visits to maximum two times a week.
Which of the following, if true, most seriously weakens the author’s conclusion?
A. The study’s result only holds true for Brooklyn pubs, not for pubs in other boroughs in New York.
B. Many insolvent pub-goers today used to frequent pubs more than two times a week.
C. Brooklyn pubs are now offering attractive discounts to customers who frequent their pubs more than two times a week, and are likely to continue to do so for a year.
D. The study shows that pub-goers who visit pubs more than two times a week typically frequent high-end pubs with prestigious cover charges.
E. The study fails to mention whether pub-goers frequent pubs alone or in the company of friends.