Which of the Following Functions Is a Properly Overloaded Function

Multiple Choice

Which of the following functions is a properly overloaded function of the following?
Int doSomethingint first, float second) ;

A) float doSomethingint first, float second) ;
B) int doSomething int next, float last) ;
C) int doSomethingint first, int second, float third) ;
D) int doSomeint first, float second) ;