⟩ 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.
B. Trygve Lie, Dag Hammarskjoeld, U Thant, Kurt Waldheim.