Which of the following statements about World Trade Organizationare correct ? (i) It deals with trade negotiations which cover goods, services andintellectual property. (ii) It spells out the principles of liberalization. (iii) It maintains regular dialogue with NGOs etc. with the aim of enhancing cooperation. (iv) It comprises of 188 countries as its members. Select the correct answer by using codes given below :Codes :

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