​Athletes,computer Programmers,and Weather Forecasters Improve with Practice

Multiple Choice

​Athletes,computer programmers,and weather forecasters improve with practice.Psychotherapists and political decision makers show less improvement with practice.Why?

A) Practice helps people who are dealing with physical events, not mental events.
B) ​Practice is most important for people who are less well educated.
C) ​Practice helps only if you get quick feedback about success or failure.
D) ​Practice cannot improve performance for people already functioning at a high level.