Rewrite as a Radical Expression and Simplify If Possible $\left(169 r^{14}\right)^{1 / 2}$

Multiple Choice

Rewrite as a radical expression and simplify if possible. Assume all variables represent nonnegative real numbers.
- $\left(169 r^{14}\right) ^{1 / 2}$

A) $\sqrt{169 r^{14}}$
B) $13 r^{7}$
C) $13 \sqrt{r^{14}}$
D) $13 r^{14}$