9. 下列何者不屬於髂內動脈的後分枝 (posterior division of internal iliac artery)? (A) 陰部內動脈 (internal pudendal artery) (B) 髂腰動脈 (iliolumbar artery) (C) 薦外動脈 (lateral sacral artery) (D) 臀上動脈 (superior gluteal artery)