单选题
—Why didn"t Peter give you one of his books?
—I didn"t want one, but he would have given me one if I ______.
【正确答案】
D
【答案解析】[解析] 考查虚拟语气。根据答句中I didn"t want以及would have given可判断，本句表示的事情是与过去事实相反的假设，条件从句谓语要用“had+过去分同”。D项的完整形式为had wanted，此处省略了wanted。故选D。