![From the following, choose the set in which names of Secretary-Generals of the UNO are arranged in correct chronological order?](https://static.wixstatic.com/media/86c1e0_9c27c696429a4de880528f8d7cfa8ae7~mv2.jpg/v1/fill/w_980,h_515,al_c,q_85,usm_0.66_1.00_0.01,enc_auto/86c1e0_9c27c696429a4de880528f8d7cfa8ae7~mv2.jpg)
From the following, choose the set in which names of Secretary-Generals of the UNO are arranged in correct chronological order?
A. U Thant, Kurt Waldheim, Dag Hammarskjoeld, Trygve Lie.
B. Trygve Lie, Dag Hammarskjoeld, U Thant, Kurt Waldheim.
C. Trygve Lie, U Thant , Dag Hammarskjoeld, Kurt Waldheim.
D. U Thant, Dag Hammarskjoeld, Trygve Lie, Kurt Waldheim.
Answer:
Option B
Explanation: