Mark the letter A, B, C, or D to indicate the sentence that is closest in meaning to each of the following questions.
Question. Both disabled and non-disabled people can contribute to our community by doing voluntary work.
A. Doing voluntary work can make contribution to our community by both disabled and non-disabled people.
B. Either disabled or non-disabled people can make voluntary contribution to our community.
C. Not only disabled people but also non-disabled ones can contribute to our community by doing voluntary work.
D. With voluntary work, our community can contribute a lot thanks to both disabled and non-disabled people.