Choice A rationale:

This statement is correct. Candidiasis of bronchi, trachea, lungs, or esophagus is one of the opportunistic infections associated with advanced HIV disease and AIDS.

Choice B rationale:

This statement is correct. Kaposi's sarcoma is another opportunistic infection commonly associated with AIDS.

Choice C rationale:

This statement is correct. Encephalopathy, HIV-related, is an opportunistic infection that can define AIDS.

Choice D rationale:

This statement is incorrect. Antiretroviral therapy is a lifelong treatment for HIV infection, and its discontinuation should not be based solely on the CD4 count falling below 200 cells/uL. The client needs further education on the importance of continuous treatment to manage HIV effectively and prevent opportunistic infections.