北国的冬天,真的很美。一代伟人毛泽东曾有诗词“北国风光,

北国的冬天,真的很美。一代伟人毛泽东曾有诗词“北国风光,千里冰封,万里雪飘,望长城内外,惟余莽莽……”的描述,其中冰的形成属于物态变化中的(      )

A.凝固           B.熔化          C.液化         D.凝华

 

答案

A

解析:

 

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