语法与词汇 11.Measures to curb speculative home purchases have proven effective, especially in the land supply and purchase market where excessive investments have been in retreat.
【正确答案】 C
【答案解析】句意：抑制投机性购房的措施已经取得了显著成效，特别是住房用地供应和购房市场的过度投资已经得到撤销。curb抑制，束缚。restraint抑制，压制。boycott联合抵制，拒绝买卖。encourage鼓励，支持。ban禁止。