I would say C for the following reasons:
A consists of 3 fruits
B is corn and potato, both of which are grains
C has vegetables, fruits, and grain
D has only vegetables.
C has the widest variety of stuff, so I'd say C. That said, it might be good to look up all the answer choices to make sure.
Bacterial Sexually Transmitted infection can be treated with antibiotics. Antibiotics treat bacteria by creating antibodies.
Parental neglect I think is the answer
