Question $604$:

Simplify $2x[(2x{)}^7{]}^{\frac{1}{14}}$

A$.2x\sqrt[\phantom{2}]{2x^4}$

B$.2x\sqrt[\phantom{2}]{2x^3}$

C$.2\sqrt[\phantom{2}]{2x^4}$

D$.2\sqrt[\phantom{2}]{2x^3}$

E$.8x^3$