Which of the Following U

Which of the following U.S. marketing managers is about to make a serious mistake?

A) "We are targeting the pre-school age group, since that group is growing faster than ever before."
B) "We are refocusing on senior citizens, since they will be a growing market for many years."
C) "We are developing special swimsuit designs for older women as that market is very large and growing."
D) "Our company is shifting to international markets, where the population will continue to grow at a more rapid rate."
E) None of these marketing managers seems headed for a mistake.