Atherosclerosis is a disease in which plaque builds up inside your arteries. Plaque is made up of fat, cholesterol, calcium, and other substances found in the blood. Over time, plaque hardens and narrows your arteries. This limits the flow of oxygen-rich blood to your organs and other parts of your body. Why is atherosclerosis especially serious when it develops in the coronary arteries?

A. It can limit the functioning of white blood cells.
B. It can then go on to affect the aorta.
C. It can make red blood cells die.
D. It can lead to a heart attack​