Cory Is a 10-Year-Old Who Is a Gifted Violinist

Cory is a 10-year-old who is a gifted violinist.Rachel is the same age and is an above-average violinist.Research suggests that what separates Cory from Rachel in terms of their relative gifts for playing the violin is that:

A) Cory probably devotes much less time to playing yet still performs at a superior level.
B) Cory's numerical ability far exceeds Rachel's,and this translates to musical giftedness.
C) Cory's somatosensory cortex and right temporal lobe are much more active than are Rachel's while playing.
D) Cory probably devotes much more focused time to playing the violin than does Rachel.