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: Unknown
[{'content': 'Periventricular calcification seen in encephalitis is due to -(Kerala 04) \nSelect and explain. \nA. Herpes Zoster, B. HSV-I, C. HSV-II, D. CMV', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Ans: DCongenital cytomegalovirus infection results from intra-uterine fetal infection by cytomegalovirus (CMV) fetal intracranial calcification: mainly periventricular calcification (hyperechogenic foci), considered on the commonest of features', 'role': 'assistant'}]