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: Ophthalmology
Sclera is weakest at all of the following sites except: 
Select and explain. 
A. Apex, B. Limbus, C. Anteriorly, D. Posteriorly
D: Posteriorly
Answer: D: Posteriorly 
Explanation: Posteriorly