The (A) effects of ciagarette (B) moking has (C) been proven to be17/48Pick out the letter A, B, C, or D to indicate the underlined part that needs corrrections in each of the following questions. The (A) effects of ciagarette (B) moking has (C) been proven to be extremely (D) harmful (D).TheciagarettehasextremelyGiải thíchĐáp án C