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: Microbiology
Most common manifestation of congenital toxoplasmosis 
Select and explain. 
A. Hydrocephalus, B. Chorioretinitis, C. Calcification, D. Convulsions
B: Chorioretinitis
Answer: B: Chorioretinitis 
Explanation: Most common - Chorioretinitis
In adults - Cervical lymphadenopathy.