Choice A has an incorrect comma after brown. It should be absent to sound correct. To hear the difference in your head think "brown paper bag" versus "brown....paper bag".
Choice B lacks a comma after sunscreen.
Choice C correctly places commas when saying "not Karmen". This seems to be the correct answer.
Choice D is incorrect, it fail to put a comma after "a star on the swim team".
Choice C is the correct choice.
During party one wears some oddly questionable clothes.Please stop somewhere and buy me food to eat.
The answer would be D) Infinitive.
It would be to define the essay's purpose.