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Ehsan is having a big going-out-ofbusiness sale and he wants to advertise his sale. He starts by making a large number of advertising fliers for his sale and gives $5$ of his friends many fliers. He asks each of them to give fliers to $2$ of their friends the next day, and to tell each of their friends to give fliers to $2$ of their friends the day after, and so on. Let $F$ be the number of people who will be given fliers on day $t$. Which of the following best explains the relationship between $t$ and $F$ ?$\newline$Choose $1$ answer:$\newline$(A) The relationship is linear because the values of $F$ always increase as the values of $t$ increase.$\newline$(B) The relationship is exponential because $F$ increases by a factor of $5$ each time $t$ increases by $1$ .$\newline$(C) The relationship is linear because $F$ increases by a factor of $5$ each time $t$ increases by $1$ .$\newline$(D) The relationship is exponential because $F$ increases by a factor of $2$ each time $t$ increases by $1$ .