Rewrite the Expressions with Rational Exponents as Radical Expressions, and Then

Multiple Choice

Rewrite the expressions with rational exponents as radical expressions, and then solve the equation.
- $(x-4) ^{1 / 4}+8=0$

A) $\{-1024\}$
B) $\varnothing$
C) $\{1024\}$
D) $\{2\}$