语法与词汇 18.As a member of the middle class, Gaskell could Ahardly help Bapproaching working-class life as an outside observer and a reporter, and the reader of the novel Cis always Dunconscious of this fact.
【正确答案】 D
【答案解析】unconscious改为conscious。分句前有and表示递进,所以形容词应为肯定语气,若连词为but则应用unconscious。