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 say                                    B. in which some scientists say

   C. some scientists say that                                  D. some scientists say

A


解析:

根據(jù)對a move 到句子最后的這一部分分析，可以確定a move是先行詞，同時(shí)是前面句子的同位語；而定語從句中缺少主語，因此排除B、D兩項(xiàng)。關(guān)系代詞要緊跟先行詞，所以排除C，且此項(xiàng)的這種表達(dá)方式變成了賓語從句形式。  

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