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
Ophthalmic artery is a branch of which part of ICA - 
Select and explain. 
A. Cervical, B. Petrous, C. Cavernous, D. Cerebral
D: Cerebral
Answer: D: Cerebral 
Explanation: None