(A) My sister told me that (B) she had met my teacher (C) at the supermarket (D) yesterday38/64Mark 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. (A) My sister told me that (B) she had met my teacher (C) at the supermarket (D) yesterdayMy sister toldshe had metat the supermarketyesterdayGiải thíchĐáp án : D D -> the day before. Trong câu gián tiếp phải lùi thì.