Interpreting the meaning of the derivative in context

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A tank is being filled with a liquid. The function

V

gives the volume of liquid in the tank, in liters, after

t

minutes.

What is the best interpretation for the following statement?

The value of the derivative of $V$ ‍ at $t = 1$ ‍ is equal to $2$ ‍.

(Choice A)
After $1$ ‍ minute, the tank was being filled at a rate of $2$ ‍ liters.
(Choice B)
After $1$ ‍ minute, the tank had $2$ ‍ liters of liquid.
(Choice C)
After $1$ ‍ minute, the tank was being filled at a rate of $2$ ‍ liters per minute.
(Choice D)
During the first minute, the tank was being filled at a rate of $2$ ‍ liters per minute.

Calculus 1