Correct answer: A. Because there is an increased danger of skidding.
Where there are fallen leaves on the road surface, your tyres might have reduced grip on the road surface and your braking distances might be greater.
This is an official-style question from the Safe and Responsible Driving topic of the Ireland driver theory test (Cat. B). Practise all 807 questions free on iTest.ie — with timed mock exams, automatic mistake tracking and progress sync across devices.
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