Watch Was a Teen Publication Given Out Free to High

Watch was a teen publication given out free to high school students,but the publication was unable to deliver the response rates to coupons or sample offers that its advertisers expected.After defining the problem,its publisher developed a formal research plan,gathered information from teen focus groups,analyzed the findings,and replaced Watch magazine with Fuel for boys and Verve for girls.How would a marketer describe the publisher's action?

A) Why fix something that is not broken? The magazine was still attracting some advertisers.
B) It made a big deal out of a small decline - a few copy changes would have been enough.
C) The approach it took was too complicated and costly to provide an effective solution to the problem.
D) It took a systematic approach to marketing research.