Using a K$-$map $($Karnaugh Map$),$which of the following is the most reduced expression of this equation:

F $($a$,$b$,$c$,$d$)=\backslash$Sigma m$(0,2,4,8,9,10,12)$

A$.)$ ab$\text{'}+$a$\text{'}$b$\text{'}$

B$.)$ a'b'd'$+$c$\text{'}$d$\text{'}+$ab'c'

C$.)$ c$\text{'}$d$\text{'}+$b$\text{'}$d$\text{'}+$ab'c'

D$.)$ a'b'c'd'$+$c$\text{'}$d$\text{'}+$ab'c'