What Has Research Shown About the Relationship Between Hostility and Heart

What has research shown about the relationship between hostility and heart disease?

A) Hostility levels are not related to the likelihood of developing heart disease.
B) Hostility levels are negatively correlated to heart disease: the lower the levels of hostility, the greater the likelihood of developing heart disease.
C) Hostility levels are positively correlated to heart disease: the higher the level of hostility, the greater the likelihood of developing heart disease.
D) The correlation between hostility levels and heart disease is much weaker than the correlation between competitiveness and heart disease.