IAEA - GS questions based on daily current affairs

1)   Consider the following statements

1. IAEA reports only to UN security council
2. Yukiya Amano is current director general of IAEA
3. Turkmenistan is non member country of IAEA
4. Djibouti, Guyana became members in 2015

Which of the above statements are correct?

a. 2,4
b. 2,3,4
c. 1,2
d. All