You are en route to an emergency call when you approach a slow$-$moving vehicle on a two$-$way road. You can see oncoming traffic in the other lane. The driver has his windows up and does not realize that you are behind him. You should:

Select one:

A$.$ quickly pass the vehicle on the left side.

B$.$ remain at a safe distance until it is safe to pass.

C$.$ use your public address system to alert the driver.

D$.$ pass the driver on the right$-$hand shoulder.