Write (In the Same Base) the Counting Numbers Just Before $\mathrm{DB}_{\text {sixteen }}, \mathrm{DB} 4_{\text {sixteen }}$

Write (in the same base) the counting numbers just before and just after DB2 sixteen.

A) $\mathrm{DB}_{\text {sixteen }}, \mathrm{DB} 4_{\text {sixteen }}$
B) $\mathrm { CA } _ { \text {sixteen, } } , \mathrm { CA } 3 _ { \text {sixteen } }$
C) $\mathrm{DB} 1_{\text {sixteen, }} \mathrm{DB} 3_{\text {sixteen }}$
D) $\mathrm { CA } _ { \text {sixteen } } , \mathrm { EC } 3 _{ \text {sixteen } }$