How Did Sternberg Include the Notion of Confluence into His

Multiple Choice

How did Sternberg include the notion of confluence into his theory?

A) He believed that several factors combined to create intelligence.
B) He saw intelligence as based on cultural differences.
C) He suggested that the presence of a member of the same race would improve the intelligence score of children from minority groups.
D) He saw intelligence as a "use it or lose it" proposition.