Which of the following statements is true? (i) Fractions with the same numerator are called like fractions (ii) Fractions with the same denominator are called like fractions. (iii) Difference of two like fractions\[\text{=}\frac{\text{difference of numerator}}{\text{common denominator}}\] (iv) A fraction with the numerator greater than or equal to the denominator is called a proper fraction.

• A.  (i)                               
• B.  (i) & (ii)       
• C.  (ii) & (iii)     
• D.  (iv) & (i)