Final answer:
Robert Sternberg developed the triarchic theory of intelligence, which proposes three types of intelligence: practical, creative, and analytical intelligence.
Step-by-step explanation:
The correct alternative that pairs an intelligence theorist with the number of types of intelligence he proposed is:
B) Sternberg - Three types of intelligence
Robert Sternberg developed the triarchic theory of intelligence which posits that intelligence is comprised of three components: practical, creative, and analytical intelligence. These three types of intelligence are distinct and can be seen as complementary to one another.