A. the largest coral reef system B. coral reef systems the largest C. to have the largest coral reef system D. with the largestĐoạn văn2/83Mark 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 1 to 6.the largest coral reef system coral reef systems the largest to have the largest coral reef systemwith the largestGiải thíchChọn đáp án A