Find the Following Products and Express Answers in Simplest Radical $64 \sqrt { 11 a d } - 8 \sqrt { 77 a }$

Multiple Choice

Find the following products and express answers in simplest radical form. All variables represent non negative real numbers. Match each of the expressions with the expression to obtain a true statement.
- $64 \sqrt { 11 a d } - 8 \sqrt { 77 a }$

A) $8 \sqrt { a } ( 8 \sqrt { 11 } + \sqrt { d } )$
B) $\sqrt { 11 a } ( 64 \sqrt { d } - 8 \sqrt { 7 } )$
C) $8 \sqrt { a } ( 8 \sqrt { a d } + 8 \sqrt { a } )$
D) $\sqrt { 7 d } \left( \sqrt { 1,331 a d } + \sqrt { 605 d ^ { 2 } } \right)$