Mark the letter A B C or D on your answer sheet, Mark the letter A; B; C or D on your answer sheet,  Mark the letter A B C or D  on your answer sheet, Mark the letter A; B; C; or D on your answer sheet, Mark the letter A B C or D on your answer sheet, Mark the letter A. B. C. or D on your answer sheet, Mark the letter A. B. C or D on your answer sheet, Mark the letter (A; B; C or D) on your answer sheet, Mark the letter A;B;C; or D on your answer sheet, Mark the letter A; B;C or D on your answer sheet, Mark the letter A B C or D on your answer sheet