To Be Diagnosed as Having AIDS,the Patient Must Be HIV-Positive,have

To be diagnosed as having AIDS,the patient must be HIV-positive,have a compromised immune system without known immune system disease or recent organ transplant,and present with which of the following?

A) Opportunistic infection
B) A positive ELISA or Western blot test
C) Weight loss,fever,and generalized lymphedema
D) CD4+ lymphocyte count less than 200 mm³