B. Hormones control the bodies function such as metabolism, sexual development and growth.
C.is the best answer because if she was at an outpatient program she could slip up. ( that rules out B.) plus at an outpatient program that only offers support groups she could just bail, but if she has to attend monthly check-ins after she returns to her current living situation ( which we don't actually know if it's bad or not) then she's more likely not to start re- using. she can't live with her parents because they said they wouldn't see her till a year after she was clean. ( that eliminates D.)
The World Health Organization's <span>Communicable disease control in emergencies pamphlet.
(I wish there was more context so I could provide a more reliable answer)</span>