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 following is a diploid cell strain 
Select and explain. 
A. Rhesus monkey kidney cell culture, B. heLa, C. Human embryonic lung cell strain, D. Mccoy
C: Human embryonic lung cell strain
Answer: C: Human embryonic lung cell strain 
Explanation: HL-8 (Rhesus embryo cell strain ) and WI-38 (human embryonic lung cell strain) are diploid cell lines Primary cell strains include- chick embryo fibroblast cell culture, human amnion cell culture etc Ref: Baveja 5th ed Pg: 417