Which behaviors can increase the life expectancy of a young adult diagnosed with HIV? A. taking HIV medications
B. only engaging in sex with friends
C. taking vitamins
D. seeking out numerous sexual partners

I think it would be taking their meds.

Explanation:

B: you can spread it on to them (not good)

C: taking vitamins, go immune system but other then that not helpful

D: can spread it to them

answer; the above is true;