In an experiment, pet owners are being encouraged to take their pets to work, a move _______ can be good for both the people and the pets.A.that some scientists sayB.in which some scientists sayC.some scientists say thatD.some scientists say
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A解析根据对a move 到句子最后的这一部分分析，可以确定a move是先行词，同时是前面句子的同位语；而定语从句中缺少主语，因此排除B、D两项。关系代词要紧跟先行词，所以排除C，且此项的这种表达方式变成了宾语从句形式。