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
Reichert's cartilage is: 
Select and explain. 
A. 1st arch cartilage., B. 2nd arch cartilage., C. 3rd arch cartilage., D. 4th arch cartilage.
B: 2nd arch cartilage.
Answer: B: 2nd arch cartilage. 
Explanation: None