Which of the following statements about coronary vessels is true?
A. The pulmonary arteries carry blood to the left atrium.
B. The coronary sinus returns blood to the left atrium.
C. The coronary arteries arise from the pulmonary trunk.
D. The great cardiac vein collects blood from the left anterior surface of the heart.
E. The left coronary artery is a branch of the left pulmonary vein.
Answer: D
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