Change the Radical to Simplest Radical Form $- 7 \sqrt [ 3 ] { 54 }$

Multiple Choice

Change the radical to simplest radical form. $- 7 \sqrt [ 3 ] { 54 }$

A) $14 \sqrt [ 3 ] { 3 }$
B) $- 21 \sqrt [ 3 ] { 2 }$
C) 21
D) $- 7 \sqrt [ 3 ] { 2 }$