H = 100 – 4t. Based on the equation, what is the best interpretation of the number 4 in the equation?

A. An increase of 1 degree Celsius will make a gallon of milk go sour 4 hours faster.
B. An increase of 1 degree Celsius will make a gallon of milk go sour 1 hour faster.
C. An increase of 4 degrees Celsius will make milk go sour 1 hour faster.
D. An increase of 4 degrees Celsius will make milk go sour 4 hours faster.