Which of the following statements are correct as per Article 111 of agreements establishing WTO? The main functions of the WTO are :

Which of the following statements are correct as per Article 111 of agreements establishing WTO? The main functions of the WTO are :
    (a)    To administer and promote agreements on individual and multinational agreements :
    (b)    To administer the rules and procedures governing the settlement of disputes ; 
    (c)    To administer the Trade Policy Review Mechanism (TPRM)
    (d)    To Coordinate IMF, TBRD and World Bank on regional economic policies :
    Choose the correct option