Rationalize the Numerator and Simplify $\frac { 8 - \sqrt { 10 } } { 7 }$

Multiple Choice

Rationalize the numerator and simplify. Assume all variables represent positive real numbers.
- $\frac { 8 - \sqrt { 10 } } { 7 }$

A) $\frac { 8 } { 7 } - \frac { \sqrt { 10 } } { 7 }$
B) $\frac { 2 } { 56 + 7 \sqrt { 10 } }$
C) $\frac { 54 } { 56 - 7 \sqrt { 10 } }$
D) $\frac { 54 } { 56 + 7 \sqrt { 10 } }$