The method changeNegs below should replace every occurrence of a negative integer in its matrix parameter with $0.$

$/**$ Oparam mat the matrix

Precondition: mat is initialized with integers.

Postcondition: All negative values in mat replaced with $0.$

code $*/$

$\}$

Which is correct replacement for $\frac{?}{?}**$ code $*\frac{*}{?}?$

I for $($int $r=0$;$r$ mat.length; $r++)$

for $($int $c=0$; $c$ mat $r.$ length; $c++)$

if $($mat $[r][c]<mn\; id="EditorElement\_396614">0</mn><mtext\; id="EditorElement\_396594"></mtext><mi\; id="EditorElement\_396595">)</mi>$

mat$[r][c]=0$;

II for $($int $c=0$;$c$ mat $[0].$length; c$++)$

for $($int $r=0$;$r$ mat.length; $r++)$

if $($mat $[r][c]<mn\; id="EditorElement\_396410">0</mn><mtext\; id="EditorElement\_396390"></mtext><mi\; id="EditorElement\_396391">)</mi>$

mat$[r][c]=0$;

III for $($int $[]$ row : mat$)$

for $($int element : row$)$

if $($element $<mn\; id="EditorElement\_396279">0</mn><mtext\; id="EditorElement\_396263"></mtext><mi\; id="EditorElement\_396264">)</mi>$

element $=0$;

$($A$)$ I only

$($B$)$ II only

$($C$)$ III only

$($D$)$ I and II only

$($E$)$ I, II$,$ and III