Which Statement Explains the Association Between a Risk Factor and the Development

Which statement explains the association between a risk factor and the development of a disease?

A) All people with the risk factor will develop the disease.
B) The absence of a risk factor guarantees freedom from the disease.
C) The more risk factors for a disease, the greater the chance of developing that disease.
D) The presence of a factor such as heredity can be modified to lower the risk of degenerative diseases.
E) Risk factors tend to be short-lived, so their presence does not predict long-term risk of disease.