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
Which of the following is/are transfusion transmitted viruses -a) Hepatitis Bb) CMVc) HTLV -1d) Rubellae) HHV - 8 
Select and explain. 
A. abc, B. bcd, C. cde, D. acd
A: abc
Answer: A: abc 
Explanation: None