The correct option is B Both A and B
Epstein Barr virus (EBV), also called the human herpesvirus 4 (HHV 4). It is best known as the cause of infectious mononucleosis (glandular fever). It is also associated with particular forms of cancer, such as Hodgkin's lymphoma, Burkitt's lymphoma, nasopharyngeal carcinoma.
So, the correct answer is 'Both A and B'.