外语问题
The Salmon are fresh and the trunkfish_______. A.are being cured B.have cured C.have been cured D.were cured 请问要选择哪个？ 并解释一下。
C.have been cured 这里cure的含义是用腌,烤等方法保存.用被动,完成时态强调结果.
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