这道题选什么,说明理由5.The modern camera lens may be coated with more than ten _______ for each piece of its glass.A.levels B.stories C.layers D.formations

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这道题选什么,说明理由
5.The modern camera lens may be coated with more than ten _______ for each piece of its glass.
A.levels B.stories C.layers D.formations

C Layers讲的是相机的镜头,是一圈一圈的因此用layers.