Read the excerpt from The Land by Mildred Taylor. Hammond and George were all for that. I was too, but Robert held back. He'd had enough of horses for a while. He said he'd rather wait at the finish line to see the horses come in. Although I wanted to ride the course along with my daddy, George, and Hammond, I stayed behind with Robert. In this excerpt, which word or phrase makes the transition from one idea to another?

A). I was too

B). a while

C). although

D). I stayed