In the anatomical position, the heart:

• A. has a right border comprised of right atrium and right ventricle
• B. has an anterior (sternocostal) surface comprised of right atrium, right ventricle and a strip of left ventricle
• C. has a posterior surface comprised of left atrium, four pulmonary veins and left ventricle
• D. has an inferior (diaphragmatic) surface comprised of left atrium, inferior vena cava and right ventricle
• E. all of the above are true