Multiply the Algebraic Expression $$( 4 ) ( 3 a ) ( 4 a )$$

Multiple Choice

Multiply the algebraic expression. $$( 4 ) ( 3 a ) ( 4 a )$$

A) $11 a ^ { 3 }$
B) $48 a ^ { 3 }$
C) $48 a ^ { 2 }$
D) $16 a ^ { 2 }$
E) $11 a ^ { 2 }$