A first$-$year student in a computer networking class is studying different addressing types and attempting to identify them. Which of the following does she determine is a Media Access Control $($MAC$)$ address?

A$.$

$10\mathrm{.}0\mathrm{.}0\mathrm{.}0/8$

B$.$

$2001$:$0$db$8$:$85$a$3$:$0000$:$0000$:$8$a$2$e:$-370$:$7334$

C$.$

$192\mathrm{.}168\mathrm{.}10\mathrm{.}5$

D$.$

$00-14-22-01-23-45$