单选题 Using extremely different decorating schemes in adjoining rooms may result in ______ and lack of unity in style.
A. conflict B. confrontation C. disturbance D. disharmony

【正确答案】 D
【答案解析】[解析] disharmony是“不协调”。A．conflict是“冲突”；B．confrontation是“对抗”；C．disturbance是“干扰”。