Which two of the following are the function of WTO
1. To facilitate the implementation, administration and operation of trade agreement
2. To carry out periodic reviews of the trade policies of its member countries
3. To assist in the establishment of a multilateral system of payments
4. To promote international monetary cooperation
Choose the correct option from the following:

A. 1 and 4

B. 2 and 3

C. 3 and 4

D. 1 and 2

Answer: Option D