This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Orthopaedics
A boy fell down from a tree and has fracture of neck of humerus. He cannot raise his arm because of the involvement of- 
Select and explain. 
A. Axillary nerve, B. Supraspinatus nerve, C. Musculocutaneous nerve, D. Radial nerve
A: Axillary nerve
Answer: A: Axillary nerve 
Explanation: Nerve injured in the fracture of neck of humerus is axillary nerve.