Lateral Sacral artery is a branch of: (A) Anterior division of Internal Iliac artery, (B) Posterior division of Internal Iliac artery, (C) External Iliac artery, (D) Direct branch from Common Iliac artery
Answer is B. Lateral Sacral artery is a branch of Posterior division of Internal Iliac artery. Other branches of Posterior division of Internal Iliac artery are

Superior gluteal Artery
Iliolumbar artery