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
Rake angle is negative 
Select and explain. 
A. If rake face is before/ahead of radial line, B. If rake face is inline with radial line, C. If rake face is behind radial line, D. None of the above
A: If rake face is before/ahead of radial line
Answer: A: If rake face is before/ahead of radial line 
Explanation: None