Which of the following code segments can replace $/*$ missing code $*/$ so the getCategory method

works as intended?

I. St r ing cat ;

i f $($densi ty $>3000)$

$\{$

cat $=$ "urban";

$\}$

else i f $($densi ty $>999)$

$\{$

cat $=$ "suburban";

$\}$

else

$\{$

cat $=$ "rural";

$\}$

return cat ;