The scatter plot and a line of best fit show the relationship between the number of hours Jimmy used his electronic gadgets and the number of batteries he used for the gadgets. Which statement describes the relationship between the number of hours Jimmy used his different electronic gadgets and the number of batteries he used for the gadgets?
A.
Less than three batteries were used in five hours.

B.
Jimmy used seven batteries.

C.
For every increase in three hours of usage, Jimmy had to use two more batteries.

D.
For every decrease in three hours of usage, Jimmy had to use two more batteries.