Because of his constant exposure to cold weather, he has long recognized________.A.body needs to be fat B.body needs the fatC.how fat the body needs D.the body's need for fat答案：ＤＷＨＹ？
热心网友
Ｄ是名词短语，充当recognize的宾语．意思是，由于他长期暴露在寒冷的天气中，他终于意识到人体对脂肪的需求了．
热心网友
A,B变成有两个谓语C中的fat是形容词,而问题中的fat 应该是名词D的我同意sheep stone的看法不知对不对!
热心网友
recognized后面需要一个名词性词组，只有D符合，其它都是句子