Read the following statements and which one is true? (i) A parallelogram in which two adjacent angles are equal is a rectangle. (ii) A quadrilateral in which both pairs of opposite angles are equal is parallelogram. (iii) In a parallelogram the number of acute angles is zero (or) two

• A.  only (i)           
• B.           only (ii)
• C.  only (iii)        
• D.  All (i), (ii) and (iii)