Answer:
The correct option is;
A. honk your horn if you cannot see at least 200 ft ahead
Explanation:
According the California Driver Handbook on Safe Driving Practices, it is required of the driver driving on a narrow mountain road without clear visualization of what is 200 ft ahead of her or him to honk the horn of the vehicle.
The sounding of the horn will alert those ahead of the driver of the possible danger due to her or his oncoming vehicle so that they (those ahead of the driver's oncoming vehicle) can react appropriately.
When traveling on narrow mountain roads, honk your horn if you cannot see at least 200 ft ahead.
On a narrow mountain road, a driver that is coming ahead may not really see an oncoming vehicle. As a result of this, it is necessary that you honk your horn at least 200 ft ahead in order to alert the other driver that another vehicle is ahead.
Hence, when traveling on narrow mountain roads, honk your horn if you cannot see at least 200 ft ahead.
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