题目

It was in the village____the famous signer was born and brought up____she built a hope primary school.        A．that; that   B．where; where       C．where; that         D．that; where 答案：C不等式组的解集如图所示，则实数a的取值范围是    ，此时化简代数式|a-1|-|3+a|的结果是    ．