This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General, Subject name: Anatomy
[{'content': 'Which one of the following is a multipennate muscle? \nSelect and explain. \nA. Tibialis anterior, B. Deltoid, C. Tibialis posterior, D. Latissimus dorsi', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. B DeltoidRef: Gray's Anatomy, 41st ed. pg. 113Unipennate* Extensor digitorum longus* Flexor pollicis longus* SoleusBipennate* Rectus femoris* Dorsal interossei* GastrocnemiusMultipennate* DeltoidCircumpennate* Tibialis anterior", 'role': 'assistant'}]