A tank full of water is leaking at a constant rate for 25 minutes. The equation y = -4x + 220 describes the amount of water in the tank, where y is the number of liters and
x is the number of minutes that has elapsed since the tank started to leak.

Which statement is true?

A. There were 220 liters in the tank after 25 minutes, and it is decreasing by 4 liters per minute.

B. There were 4 liters in the tank when the leak started, and it is
increasing by 220 liters per minute.

C. There were 220 liters in the tank when the leak started, and it is
decreasing by 4 liters per minute.

D. There were 4 liters in the tank when the leak started, and it is
decreasing by 220 liters per minute,