I guess it is d: taking a step back and simplifying one's life
Answer:
White blood cells are an important part of the immune system. HIV infects and destroys certain white blood cells called CD4+ cells. If too many CD4+ cells are destroyed, the body can no longer defend itself against infection. The last stage of HIV infection is AIDS (acquired immunodeficiency syndrome).
Explanation:
There isn't anything to choose from.
Answer:
Show your friend you care. Use a calmed voice when talking to them. Face towards them. Actively listen to them.
They would be immunosuppressed. A weaked immune system.