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
While preparing a Class II cavity on a maxillary first molar which of the pulp horns are likely to get exposed: 
Select and explain. 
A. Mesiolingual and mesiobuccal, B. Distolingual and distobuccal, C. Mesiolingual and distobuccal, D. Distolingual and mesiobuccal
A: Mesiolingual and mesiobuccal
Answer: A: Mesiolingual and mesiobuccal 
Explanation: None