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
True about rotavirus vaccine: 
Select and explain. 
A. Killed vaccine, B. Given subcutaneous, C. Pentavalent vaccine, D. Should be given before 5 years
C: Pentavalent vaccine
Answer: C: Pentavalent vaccine 
Explanation: Ans. c. Pentavalent vaccine