From a Marketing Perspective, Splitting the Baby Boomer Group into Front

From a marketing perspective, splitting the baby boomer group into front and back halves is necessary for which of the following reasons?

A) The baby boom echo only occurred in the back half of the baby boom.
B) The trend of delayed marriage did not kick in until 1960, thus fragmenting the market.
C) There are significant differences in thinking and behaviour within the twenty year range of the baby boom generation.
D) There are relatively few differences in spending within the range of the baby boom generation.
E) None of the answers apply.