For what values of $x$ does the default case execute in the code below? $x$ is declared as an integer. switch $(x)\{$ case $2$:

break; case $3$ :

break; case $4.$

break: default: II When does this execute?

$()$

a$.$ Only for value $5$

b$.$ Only for all values greater than $4$

c$.$ Only for values that are not $2,3,$ or $4$

d$.$ For any value