It affects your lungs the most.
Answer:
C is the answer because you decide to drink soda instead of alcohol.
Pretty sure the answer is D
Innate immunity: Immunity that is naturally present and is not due to prior sensitization to an antigen from, for example, an infection or vaccination. Since it is not stimulated by specific antigens, innate immunity is generally nonspecific. It is in contrast to acquired immunity. Also called natural immunity.
Hope this helps
B. predicting what friends will think