Question

________ 10. Buck was surprised at the eagerness of the team and
(A) the manner in which Perrault managed to communicate to all nine dogs,
(B) the change in Dave and Sol-leks who became alert and active and seemed to take delight in their work,
(C) the speed at which they could travel as if they were one dog.

Answer 1

The best option to complete the sentence is **(C)** "the speed at which they could travel as if they were one dog."

So, the complete sentence would read:

"Buck was surprised at the eagerness of the team and the speed at which they could travel as if they were one dog."

This option emphasizes the surprising efficiency and unity of the team, which captures Buck's admiration and surprise regarding the dogs' performance.