List the Possible Rational Zeros of the Function $x ^ { 5 } - 5 x ^ { 2 } + 5 x + 7$

Multiple Choice

List the possible rational zeros of the function.
- $x ^ { 5 } - 5 x ^ { 2 } + 5 x + 7$

A) $\pm 7 , \pm \frac { 1 } { 7 }$
B) $\pm \frac { 1 } { 5 } , \pm \frac { 7 } { 5 } , \pm 7$
C) $\pm 1 , \pm 7$
D) $\pm 1 , \pm \frac { 1 } { 7 }$