Write (In the Same Base) the Counting Numbers Just Before $12 _ { \text {eight } }$

Multiple Choice

Write (in the same base) the counting numbers just before and just after 13 _eight

A) $12 _ { \text {eight } }$ $15 _ { \text {eight } }$
B) $10 _ { \text {eight } }$ $12 _ { \text {eight } }$
C) $A _ { \text {eight } }$ $C _ { \text {eight } }$
D) $12 _ { \text {eight } }$ , $14 _ { \text {eight } }$