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
The antagonistic muscle to superior rectus is: 
Select and explain. 
A. Inferior oblique, B. Inferior rectus, C. Superior oblique, D. Lateral rectus
B: Inferior rectus
Answer: B: Inferior rectus 
Explanation: None