单选题 As a member of the middle class, Gaskell could (hardly) help (approaching) working-class life as an outside observer and a reporter, and the reader of the novel (is) always (unconscious) of this fact.
【正确答案】 D
【答案解析】[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。