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
Thymus develops from- 
Select and explain. 
A. 4th arch, B. 2nd arch, C. 3rd arch, D. 6th arch
C: 3rd arch
Answer: C: 3rd arch 
Explanation: C i.e. 3rd arch