Determine Which of the Rational Functions Given Below Has the Following

Multiple Choice

Determine which of the rational functions given below has the following feature(s) .
-There is a "hole" in its graph at x = 3

A) $f ( x ) = \frac { x + 3 } { ( x + 9 ) ( x + 3 ) }$

B) $f ( x ) = \frac { 3 x - 1 } { x + 9 }$

C) $f ( x ) = \frac { ( x - 3 ) ( x + 9 ) } { ( x + 5 ) ( x - 3 ) }$

D) $f ( x ) = \frac { x + 9 } { x - 3 }$