The simplified Boolean expression of the following Karnaugh Map is$?$

$\backslash$table$[[,1,,1],[1,,1,]]$

Select one:

a$.(xo+Yo+Z)$

b$.xo+Yo+Z$

c$.m1+m3+m4+m7$

d$.$ M$1.$M$3.$M$4.$M$7$