They (A) asked me (B) what did happen last night, (C) but I was unable (D) to tell them47/50Mark the letter A, B, C, or D on your answer sheet to indicate the underlined part that needs correction in each of the following questions. They (A) asked me (B) what did happen last night, (C) but I was unable (D) to tell them. asked what did happen but to tell Giải thíchĐáp án B