What Is the Goal of the Canada Safety Council Program

What is the goal of the Canada Safety Council program "55 Alive"?

A) to determine what license restrictions have the most significant effect on reducing accidents
B) to test drivers over age 55 every year to ensure driving skills are intact
C) to help seniors improve their driving skills and understand how aging affects driving
D) to reduce drinking and driving among seniors, which is the second greatest cause of auto accidents in Canada