Eight-Year-Old Trey Stands in Front of a Group of Kids

Eight-year-old Trey stands in front of a group of kids and says, "I am smart." Which of the following is the most plausible reaction to this incident?

A) Children 6 years of age are more likely to reject Trey's self-report.
B) Children 9 years of age are more likely to reject Trey's self-report.
C) Children 5-6 years of age are more likely to reject Trey's self-report.
D) Children 10-11 years of age are more likely to accept Trey's self-report.