A. to set them apart B. that sets apart themselves C. what sets them apart D. which to set them apartĐoạn văn68/83Mark the letter A, B, C, or D on your answer sheet to indicate the correct option that best fits each of the numbered blanks from 66 to 71.to set them apart that sets apart themselves what sets them apart which to set them apartGiải thíchChọn đáp án C