Helen Killer, (A) who was both (B) blind and (C) deafness, overcame her (D) inabilities with the help of her teacher, Ann Sulivan48/50Mark 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. Helen Killer, (A) who was both (B) blind and (C) deafness, overcame her (D) inabilities with the help of her teacher, Ann Sulivan. who blind deafness inabilitiesGiải thíchĐáp án C