Regarding the cardiac veins:

• A. the great cardiac vein accompanies the posterior descending interventricular artery
• B. the middle cardiac vein ends in the right atrium
• C. the anterior cardiac vein ends in the right atrium
• D. the small cardiac vein accompanies the circumflex branch of the left coronary artery
• E. the oblique veins of the left atrium end in the left atrium