The notation $\underset{x4}{lim}f(x)$ is read

Choose the correct answer below.

A$.$ The limit$,$ as $x$ approaches $4$ from the right, of $f(x)$

B$.$ The limit$,$ as $x$ approaches $4$ from the left, of $f(x)$

C$.$ The limit$,$ as $x$ approaches $4,$ of $f(x)$

D$.$ The limit$,$ as $f(x)$ approaches $4,$ of $x$