A 20 year male complains of recurrent attacks of sore tthroat since 2 years. The total leukocyte count was 1000/ul. A differential count revealed severe neutropenia. The diagnosis is________________?

• A. Subleukemic leukemia
• B. Infectious mononucleosis
• C. Agraulocytosis
• D. Leukoerythroblastic anemia