We give dogs time, space and love we can spare, and , dogs give us their all.
A. in all
B. in fact
C. in short
D. in return
网友回答
A. in all
B. in fact
C. in short
(答案→)D. in return
解析：in all合计 in fact事实上 in short简而言之 in return 作为回报。结合句意：我们总是抽出时间、腾出空间、腾出爱来给狗，而狗回报我们的却是它们的全部。故选D