Q) Blood supply to rectum - all are true except
A. Inferior rectal artery pierces the levator ani to supply the distal rectum
B. Middle rectal artery is a branch of hypogastric
C. Arc of riolan is an anastomosis between ascending branch of IMA and Middle Colic Artery
D. Left Colonic Artery arises 3-4 cm distal to the IMA origin