单选题 Parents are too likely to blame schools for the educational ______ of their children.
A. boundaries B. confinements C. restraints D. limitations

【正确答案】 D

【答案解析】[解析] 名词辨析题。limitation表示“局限性；能力上的不足”；boundary表示“边界”；confinement表示“限制，禁闭”；restraint，表示“克制，抑制”。根据句意应选D：limitations。