设有订单表order(其中包括的字段有订单号、客户号、职员号、签订日期、金额)，查询2007年所签订单的信息，并按金额降序排序，正确的SQL命令是

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【单选题】【消耗次数：1】

① SELECT*FROM order WHERE YEAR(签订日期)=2007 BY 金额 DESC

② SELECT*FROM order WHILE YEAR(签订日期)=2007 BY 金额 ASC

③ SELECT*FROM order WHERE YEAR(签订日期)=2007 BY 金额 ASC

④ SELECT*FROM order WHILE YEAR(签订日期)=2007 BY 金额 DESC

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