How Many Members Data and Functions) Does the Following Class

Multiple Choice

How many members data and functions) does the following class have?
Class Rational
{
Public:
Rational) ;
Rationalint numer, int denom) ;
Rationalint whole) ;
Int getNumerator) ;
Int getDenominator) ;
Friend void displayostream& out, const Rational& value) ;
Private:
Int numerator;
Int denominator;
};

A) 2
B) 6
C) 5
D) 7
E) 8