Consider the following statements. (i) A quadrilateral in which one pair of opposite sides are parallel is called trapegium. (ii) A quadrilateral with both pair of opposite sides parallel is called a parallelogram. (iii) A parallelogram with a pair of adjacent sides equal is called a rhombus. (iv) A parallelogram with each angle as right angle is called a rectangle. Which of the following statements is/are correct?

• A. Only (i)                       
• B. (i) and (ii)             
• C. Only (iv)                     
• D. All of the above