Which Statement Is Correct Regarding the Heart Wall

Which statement is correct regarding the heart wall?

A) The endothelium consists of cardiac muscle tissue, blood vessels, and nerves.
B) The myocardium is comprised of a simple squamous epithelium and an underlying layer of areolar tissue.
C) The endocardium is the visceral pericardium.
D) The cardiac muscle tissue forms bands that wrap around the ventricles and spiral into the wall of the atria.
E) The epicardium is a serous membrane that consists of an exposed epithelium and an underlying layer of areolar tissue.