Which health related component of fitness definition and matching Fitnessgram assessment is correct?

A.
Body composition: amount of fat on the body; sit/reach tes

B.
Cardiovascular fitness: ability of circulatory and respiratory systems to supply fuel during sustained exercise; Pacer test for aerobic capacit

C.
Flexibility: ability to contract a muscle group over long periods of time; sit/reach tes

D.
Muscular strength: ability of the muscles to contract repeatedly; mile ru