Which of the following are the three main collateral pathways for retrograde blood flow in portal hypertension?

A) Splenic vein, left gastric vein, and inferior mesenteric vein
B) Superior mesenteric vein, hepatic vein, and renal vein
C) Inferior vena cava, azygos vein, and renal vein
D) Splenic vein, superior mesenteric vein, and hepatic vein