Consider the accompanying definition of a recursive function. Which of the statements represent the base case? void printNum$($int num$)//$Line $1$

$\{//$Line $2$

if $($n $<0)//$Line $3$

cout $<<$ "Num is negative" $<<$ endl; $//$Line $4$

else if $($num $==0)//$Line $5$

cout $<<$ "Num is zero" $<<$ endl; $//$Line $6$

else $//$Line $7$

$\{//$Line $8$

cout $<<$ num $<<""$; $//$Line $9$

printNum$($num $1)$; $//$Line $10$

$\}//$Line $11$

$\}//$Line $12$