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
Virus lacking hemagglutinin and neuraminidase but having membrane fusion protein is - 
Select and explain. 
A. RSV, B. CMV, C. HSV, D. EBV
A: RSV
Answer: A: RSV 
Explanation: RSV differs from another paramyxovirus in not possessing hemaglutinin activity it also does not have neuraminidase or hemolytic activity REF:ANANTHANARYANAN TTEXTBOOKOF MICROBIOLOGY 9EDITION PGNO.510