Answer:
D
Explanation:
The scurrying seems to be showing movement of some sort. And the rosy color may be referring to light showing through from a sunset.
One day, Bob set on an expedition to the mountains, where all the pterodactyls strive. He was stationed in a small camp by a cliff, with lots of grass. Since he knew that pterosaurs resist any kind if attack (assuming he needed protection) he anxiously lived out his life there.