ACCDC EEACC
选错,应选E。句子结构:The farmer who… to keep them [cool, provided …, and milked…], the Holstein cow will produce… To keep后面是3个并列词做宾补:cool, provided, milked。
D的错误是单复不一致:前一句是keep them cool,后一句主语变成the Holstein cow produces。另外the Holstein cow属于特指“那个specific的cow”,没有必要。