Which of These Patients Is at Highest Risk of a Myocardial

Which of these patients is at highest risk of a myocardial infarction?

A) an obese male, age 25, with a serum HDL of 45 mg/dl
B) an obese female, age 25, with a serum HDL of 45 mg/dl
C) a child with poor dietary habits and inactivity
D) a male smoker, age 55, with a poor diet and a family history of heart disease
E) a female non-smoker, age 45, with a poor diet and a family history of heart disease