After mutations begin a cancer,other factors that influence whether the disease proceeds include

A) how old the person is and whether he or she smokes.
B) whether the person has had cancer before, and where in the body it was.
C) location of the cancerous cell in the tissue, and how specialized the cell is.
D) whether or not relatives have cancer.
E) the type of exercise that the person does and whether the diet includes enough fruits and vegetables.