What should you do if you're driving a slow-moving vehicle on a narrow winding road?

Possible Answers:

a. Keep well out to stop vehicles overtaking dangerously

b. Wave the vehicles behind to come past you if you think they can overtake quickly

c. Pull in when you can, to let the vehicles behind overtake

d. Give a left signal when it's safe for vehicles to overtake you

Think you know the answer to this theory test question?

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