Of the Following Is NOT a Reason That Physical Education

of the following is NOT a reason that physical education teachers should emphasize physical activity over physical fitness?

A) Fitness testing is too difficult to conduct.
B) Students' fitness levels are influenced by many factors that physical education class cannot affect.
C) Youth fitness levels are not a good indicator of their activity levels.
D) Many students do not participate in physical education often enough or long enough to influence greatly their fitness. .