All of the Following Are Acceptable Definitions of the Term

All of the following are acceptable definitions of the term fitness EXCEPT

A) the ability of the body to resist stress.
B) the ability of the body to perform physical activity without undue stress.
C) the ability to maintain a normal body composition and remain free of injury while performing strenuous physical tasks.
D) the ability to meet normal physical and emotional demands while maintaining an energy reserve sufficient to overcome an immediate challenge.