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: Dental
Which of the following is not a maxillary major connector: 
Select and explain. 
A. Closed horseshoe major connector., B. Continuous clasp., C. Palatal plate., D. None of the above.
B: Continuous clasp.
Answer: B: Continuous clasp. 
Explanation: None