$12)$ What this instruction bset

TIOS,$\backslash$#$\backslash$$$02$ does?

A$)$ choose OC$2$ for timer ch$2.$

B$)$ choose OC $1$ for timer ch$1.$

C$)$ choose OC $1$ for timer ch$2.$

D$)$ choose OC$2$ for timer ch$1.$

E$)$ None of the above