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: Radiology
Periventricular calcification is often due to - 
Select and explain. 
A. Toxoplasmosis, B. CMV infection, C. Congenital syphilis, D. All of the above
B: CMV infection
Answer: B: CMV infection 
Explanation: Periventricular calcification is seen in CMV infection.