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
Name the curve which passes through the cusps of all the posteriors, reaches to condyle: 
Select and explain. 
A. Curve of Wilson., B. Anti monsoon curve., C. Monsoon curve., D. Curve of spee.
D: Curve of spee.
Answer: D: Curve of spee. 
Explanation: None