Which of the following oncogenic viruses was first detected?
A.Rous sarcoma virus.
B.Epstein-Barr virus
C.Herpes simplex virus type 2
D.Human T cell leukaemia virus
A.Rous sarcoma virus.
B.Epstein-Barr virus
C.Herpes simplex virus type 2
D.Human T cell leukaemia virus