int foo$($int n$)//$Line $1$

$\{//$Line $2$

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

$$return $0$; $//$Line $4$

$$else $//$Line $5$

$$return n $+$ foo$($n $-1)$; $//$Line $6$

$\}//$Line $7$

Consider the accompanying definition of a recursive function. Which of the statements represent the general case?

Group of answer choices

Statements in Lines $1$ to $6$

Statements in Lines $3$ and $4$

Statements in Lines $4$ to $6$

Statements in Lines $5$ and $6$