单选题 If ______ to a high temperature, ice will change to water.
A. heating B. being heated C. to heat D. heated

【正确答案】 D
【答案解析】[解析] 此题考查省略式的用法,此句的完整形式应为:If it is heated to a high temperature, ice will change to water.主句与从句主语一致,从句就可以省略主语,谓语动词变成非谓语动词形式,从句谓语为被动语态一般现在时态,直接省略系动词,用过去分词就可以了,所以答案为D。