Since Schoolchildren Judge Their Own Talents and Limitations More Realistically

Since schoolchildren judge their own talents and limitations more realistically than preschoolers, _____.

A) they should decide which reading and math groups they wish to join
B) their self-esteem may suffer as they compare themselves with others
C) following a failure, they are less pessimistic about future failure
D) they are less likely to concede that they're not good at something