Mark the letter A; B; C; D on your answer sheet to indicate the underlined part that needs correction in each of the following questions, Mark the letter A B C D on your answer sheet to indicate the underlined part that needs correction in each of the following questions, Mark the letter A. B. C. D on your answer sheet to indicate the underlined part that needs correction in each of the following questions:, Mark the letter A.B.C.D on your answer sheet to indicate the underlined part that needs correction in each of the following questions