music and the brain

How does Paragraph 1 support the central idea of this passage?

A) It supports the notion that playing a musical
instrument is a sign of a high degree of intelligence.

B) It provides examples of the successes of two men
who played musical instruments at an early age.

C) It provides examples of how challenging learning to
play a musical instrument can be.

D)It provides supporting evidence of the effect playing
music has on developing problem-solving skills.