Your Author Proposes Several Explanations for Why People with Higher

Your author proposes several explanations for why people with higher IQs live longer than people with lower IQs. They include all but which of the following?

A) Lower IQ scores may be a result of pre- or postnatal factors that may also hasten one's death.
B) Some people with higher-functioning brains may also have a more fully functional "well-put-together system" that allows them to live longer lives.
C) People with higher IQs may engage in fewer behaviors that jeopardize their health.
D) People with lower IQs tend to come from racial and ethnic minority groups, and those groups are known for having a shorter life expectancy. This creates a relationship between IQ and duration of one's life.