Consider the String Below

Multiple Choice

Consider the String below:
String r = "a toyota";
Which of the following will create the String r1 = "a TOYOTa"?

A) String r1 = r.replace("toyot",TOYOT") ;
B) String r1 = r.replace('t','T') ;
R1 = r.replace('o','0') ;
R1 = r.replace('y','Y') ;
C) String r1 = r.replace('t','T') .replace('o','0') .replace('y','Y') ;
D) String r1 = r.substring(2,4) .toUpperCase() ;