Multiply and Simplify Where Possible $- 56 \sqrt { 6 }$

Multiple Choice

Multiply and simplify where possible. Match each of the expressions with the expression obtain a true statement.
- $- 56 \sqrt { 6 }$

A) $( 7 \sqrt { 7 } ) ( 2 \sqrt { 14 } )$
B) $( 4 \sqrt { 3 } ) ( - 14 \sqrt { 2 } )$
C) $( - 3 \sqrt { 3 } ) ( - 4 \sqrt { 8 } )$
D) $( 2 \sqrt { 14 } ) ( 4 \sqrt { 14 } )$