Based Upon the Age Structure Diagram,you Expect the American Population

Based upon the age structure diagram,you expect the American population to2013_QC_42798

A) grow because all of the age classes have roughly equal proportions of people.
B) grow then shrink because many of the people will be entering the post-reproductive years.
C) grow because a large proportion of the population will be entering the reproductive years.
D) grow then decline because a lower proportion of individuals are in prereproductive age classes.
E) No answer is correct.