The coefficient k$\_($a$)$T$,$ in

degrees Celsiusk$\_($a$)($T$)=((0\mathrm{.}21)/($ d$)$ay $)\backslash$times $1\mathrm{.}024^($T$-20)$

The reaction rate constant k$\_($a$)$ at $5\backslash$deg C is

$($A$)(0\mathrm{.}14)/()$ day

$($B$)0\mathrm{.}23()/($day$)$

$($C$)0\mathrm{.}29()/($day$)$

$($D$)0\mathrm{.}32()/()$ day