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: Anatomy
The skin of the neck is supplied by: 
Select and explain. 
A. 1st, 2nd, 3rd cervical nerves., B. 2nd, 3rd, 4th cervical nerves., C. 3rd, 4th, 5th cervical nerves., D. All of the above.
B: 2nd, 3rd, 4th cervical nerves.
Answer: B: 2nd, 3rd, 4th cervical nerves. 
Explanation: None