Which of the Following Has NOT Been Proposed as a Plausible

Which of the following has NOT been proposed as a plausible reason for the link between a personality pattern of "hostile dominance" and increased risk of heart disease?

A) Hostile,dominant persons might have poor health habits (perhaps due to their unwillingness to listen or take good advice) .
B) Hostile,dominant persons might create more stress for themselves by getting into conflicts with others.
C) Hostile,dominant persons might not receive much stress-reducing social support from others.
D) Hostile,dominant persons might have greater physiological reactions to stress (which leads to greater damage to blood vessels) .
E) Hostile,dominant persons might be genetically more vulnerable to pathogens that cause heart disease.