Generalizing from Research,which Statement Best Exemplifies the Relationship Between Exercise

Multiple Choice

Generalizing from research,which statement best exemplifies the relationship between exercise and fitness?

A) The group that exercised at least two hours per day were significantly healthier.
B) The least fit were twice as likely as the most fit to die within two years.
C) A combination of diet and moderate exercise for 12 months produced fitness.
D) Exercise is unrelated to cardiovascular disease.