While approaching an intersection when the light is green, a funeral procession is passing across, you should:

The correct answer is C. Funeral processions have the right of way regardless of traffic signals. Even with a green light, you must wait until the entire procession has passed before proceeding. Option A is too vague, Option B incorrectly suggests you can proceed before the procession ends, and Option D is nonsensical as you wouldn't proceed on a red light.