第12题: [单项选择]By signing the lease we made a ________ to pay a rent of $150 a week. A. conception B. commission C. commitment D. confinement 参考答案:C 答案解析:[解析] 形近名词辨析。A.conception概念,观念;D.commission委任,委托,佣金;C. commitment承诺,答应,常作make的宾语。D.confinement限制,(被)禁