Answer:- C. The amount of gasoline in a car's tank while driving on a highway at a constant speed compared with time.
Explanation:-
A. The number of customers in a grocery store does not change at a constant rate compared with the day of the week.
B.The speed of the wind on a stormy day does not change at a constant rate compared with the time of day.
C.The amount of gasoline in a car's tank while driving on a highway change at a constant rate at a constant speed compared with time
.[as velocity=rate of change in distance]
D.The distance of a student from home during a school day does not change at a constant rate compared with the time of day.[as distance remains constant compared to time]