Final answer:
The correct answer is 8 hours of behind-the-wheel instruction that an instructor can provide in one day.
Step-by-step explanation:
The correct answer is b. 8 hours of behind-the-wheel instruction that an instructor can provide in one day.
According to the given information, option b. is stated as 'at most seven hours'. We can infer that it means the maximum number of hours an instructor can provide is 7 hours. Therefore, the correct answer must be the next possible option, which is 8 hours.
It is important to note that driving instruction can be physically and mentally demanding for both the instructor and the student, so it is crucial to adhere to safety guidelines and avoid excessive fatigue.