What Did Researchers Discover About the Correlation Between Risk Factors

What did researchers discover about the correlation between risk factors and fatty streaks in the aorta and coronary arteries?

A) The more fatty streaks found correlate with the severity of a single risk factor.
B) Only two risk factors correlate with more fatty streaks.
C) Less than four risk factors do not correlate with more fatty streaks.
D) Fatty streaks increase with an increasing number of risk factors for an individual.
E) No studies are available observing the number of fatty streaks correlated with risk factors.