Assumption question - Sales of a new chocolate bar were

[jp.jprasanna]

Sales of a new chocolate bar were considerably boosted recently by an advertisement that featured a classic rock song. The candy manufacturer's decision to also use classic rock songs in commercials for its older and more popular products, in the hopes of boosting profits, is NOT based on the assumption that ___________________.

A. thanks to the new advertising strategy, all of the company's older products will sell at least as well as the new chocolate bar.
B. sales of a particular product can be increased by a memorable or catchy advertisement campaign.
C. use of classic rock songs will be more commercially effective than the advertising techniques currently used by the company for its older products
D. the majority of customers who buy one kind of candy bar from the company will not stop buying other candy bars made by the same company.
E. the licensing costs associated with using classic rock songs in commercials will be substantially offset by the increased profits resulting from those commercials.

Source BTG OA says D
Not sure A and D....
very doubtful about the OA!

[tim]

unfortunately we can't give you any help on this question, because the question itself is flawed in a way that you won't see on the GMAT. please understand that using practice questions from dubious sources can actually hurt your performance, and be careful which problem sources you use..