单选题 Joan: Look, I'm sorry to bother you about this, but this wall between our rooms is not very soundproofing and I'm doing my homework.
Steven: ______

【正确答案】 D
【答案解析】[解析] Joan说“很抱歉,打扰您,房子不太隔音,我正在做作业”,因此,Steven回答“调小音量(turn the music down)”符合对话的语境。