As He Gets Older,an All-Star Baseball Batter's Ability to Quickly

Multiple Choice

As he gets older,an all-star baseball batter's ability to quickly react is lost.Why is this loss NOT considered to be the result of learning?

A) The loss occurs over too long a period of time.
B) The loss is too gradual and learning is rapid by comparison.
C) The loss is the result of biological,not experiential factors.
D) Learning always involves a gain,not a loss,of behavior.