A $1\mathrm{.}00L$ flask contsins $0\mathrm{.}10$mol of $C,0\mathrm{.}20$mol of $C{O}_2.$ and $0\mathrm{.}30$mot of $CO$ al cquitiorium. Whast is the value of the cquilitsours constant $(K_e)$ for the reaction below?

$C(s)+CO(s)2CO(g)$

$($A$)0\mathrm{.}45$

$($B$)15$

$($C$)27$

$($D$)45$