Convert the Number to Base 10 , Then Change to Base

Convert the number to base 10 , then change to base eight.
$\mathrm{B89}_ \text { thirteen }$

A) $249=371_{\text {eight }}$

B) $1972 = 3664_{\text {eight }}$

C) $1972 = 2631 _ { \text {eight } }$

D) $249 = 306$ eight