Multiply, and Then Simplify If Possible $\sqrt { 7 } ( \sqrt { 35 } + \sqrt { 7 } )$

Multiple Choice

Multiply, and then simplify if possible. Assume all variables represent positive real numbers.
- $\sqrt { 7 } ( \sqrt { 35 } + \sqrt { 7 } )$

A) $7 \sqrt { 5 } + 49$
B) $49 \sqrt { 5 } + 7$
C) $35 + 49$
D) $7 \sqrt { 5 } + 7$