问题补充:
单选题Inanexperiment,petownersarebeingencouragedtotaketheirpetstowork,amove_______canbegoodforboththepeopleandthepets.A.that some scientists sayB.in which some scientists sayC.some scientists say thatD.some scientists say
答案:
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。