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.
Superlative degrees are forms of the base adjectives that are defined as the highest kind or order of the adjective when more than two objects are compared from one another.Say for example, beautiful, the superlative form is most beautiful. In this case, the words of superlative degree are absolute, wealthy and smart.
Provide Guidance, Identify the Problem, Brainstorm Options, Review the Pros and Cons, Create a Plan and most importantly always have a goal if you dont have goals to complete, then life will be meaningless