DONE - If you see brake lights in a traffic jam ahead, __________to warn them they will have to slow down soon by slightly tapping on your brakes.

Question: If you see brake lights in a traffic jam ahead, __________to warn them they will have to slow down soon by slightly tapping on your brakes.
A. Signal to drivers ahead
B. signal to drivers behind
C. tap on your horn

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signal to drivers behind

If you see brake lights in a traffic jam ahead, signal to drivers behind to warn them they will have to slow down soon by slightly tapping on your brakes.