This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Virology, Subject name: Microbiology
The vector of Japanese B encepalitis virus is - 
Select and explain. 
A. Anopheles mosquito, B. Culex mosquito, C. Aedes mosquito, D. All of the above
B: Culex mosquito
Answer: B: Culex mosquito 
Explanation: Culex triaeniorhynchus, a rural mosquito is a principal vector<\p> REF:ANATHANARAYANAN MICROBIOLOGY NINTH EDITION PAGE.520