Mark the letter A B C or D on your answer sheet to indicate the sentence that best completes each of the following exchanges, Mark the letter A; B; C; or D on your answer sheet to indicate the sentence that best completes each of the following exchanges, Mark the letter A. B. C. or D on your answer sheet to indicate the sentence that best completes each of the following exchanges., Mark the letter A. B. C. or D on your answer sheet to indicate the sentence that best completes each of the following exchanges, Mark the letter A. B. c. or D on your answer sheet to indicate the sentence that best completes each of the following exchanges., Mark the letter A. B. C or D on your answer sheet to indicate the sentence that best completes each of the following exchanges., Mark the letter A. B. C.or D on your answer sheet to indicate the sentence that best completes each of the following exchanges., Mark the letter A . B . C . or D on your answer sheet to indicate the sentence that best completes each of the following exchanges