What does the turtle do as it rests after climbing up the side the road

The correct answer is that it retreated into its shell after a red ant ran inside its shell

Explanation:

my source is http://www.olypen.com/pnkdurr/as/unit2turtle.htm

and here is the quote from which you can get the answer if you dont trust my answer  "For a moment the turtle rested. A red ant ran into the shell, into the soft skin inside the shell, and suddenly head and legs snapped in, and the armored tail clampled in sideways. The red ant was crushed between body and legs." you can find this toward the bottom of the second paragraph.

where is the