Perform the Indicated Operations $\sqrt { 7 } ( \sqrt { 28 } + \sqrt { 14 } )$

Multiple Choice

Perform the indicated operations. Assume that all variables represent positive numbers.
- $\sqrt { 7 } ( \sqrt { 28 } + \sqrt { 14 } )$

A) $14 + 7 \sqrt { 2 }$
B) $14 + 49 \sqrt { 2 }$
C) 28
D) $196 + 7 \sqrt { 2 }$