We give dogs time, pace and love we can spare, and, dogs give us their all.A. in turnB. in

We give dogs time, pace and love we can spare, and , dogs give us their all.
A. in turn
B. in fact
C. in short
D. in return

A. in turnB. in factC. in shortD. in return解析：A．in turn轮流，反过来，B．in fact事实上，C．in short简言之，D．in return回报，句意：我们可以给狗能腾出的时间，空间和爱，并且做为回报狗给我们他们所有。所以选D。

和我的回答一样，看来我也对了