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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.$\newline$What is the best interpretation for the following statement?$\newline$The value of the derivative of $V$ at $t=1$ is equal to $2$ .$\newline$Choose $1$ answer:$\newline$(A) After $1$ minute, the tank was being filled at a rate of $2$ liters.$\newline$(B) After $1$ minute, the tank had $2$ liters of liquid.$\newline$(C) After $1$ minute, the tank was being filled at a rate of $2$ liters per minute.$\newline$(D) During the first minute, the tank was being filled at a rate of $2$ liters per minute.