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
Hep-2 cells are a type of- 
Select and explain. 
A. Primary cell cultures, B. Diploid cell strain, C. Continuous cell lines, D. Explant culture
C: Continuous cell lines
Answer: C: Continuous cell lines 
Explanation: Ans. is 'c', i.e. Continous cell lines