Mark the letter A; B; C; or D on your answer sheet to indicate the correct answer to each of the following questions from 1 to 15, Mark the letter A. B. C or D on your answer sheet to indicate the correct answer to each of the following questions from 1 to 15, Mark the letter A. B. C or D on your answer sheet to indicate the correct answer to each of the following questions from 1 to 15.