_____ inspired reflecting road lights to be invented ?

A. Car door reflecting mirrors
B. The light a cat’s eyes gave off on a fence
C. Sun light on steel posts on road sides
D. The sun light on the windshield

Explanation:
In 1933, Englishman Percy Shaw was driving home when he saw a cat’s eyes reflecting. He had been headed straight towards a fence with the cat on it, but on the other side was a drop of hundreds of feet.