You will be given a definition of a task first, then some input of the task.
In this task, you are given a context and four options. Each option is a suggested ending for the context. You should read the context and pick the best ending for the context. Please answer with "A", "B", "C", and "D".

[header] How to rush a sorority [title] Understand the greek system. [step] The major female greek system is governed by the national panhellenic conference (npc). The npc is made up of 26 member organizations. <sep> (A) They rotate chairmanship within the group based on the date of entrance of their group in the conference. There are additional sororities that are regional or specific to certain schools. (B) It is worldwide that a club must dedicate meeting time to flight deviation. Exams must be completed in 30 minutes during each meeting. (C) The major entity which talks to the professor and has 59 faculty and 50 faculty members is, the group's highest ranking of the ensemble of the lecture devoted to themselves. [substeps] Within npc's ratio, the npc is director of the conference with the highest ranking of the ensemble of the lecture, the group. (D) The npc alliance is divided into two primary dances and a series of events. The npc alliance will usually focus on the dancing and intellectual discussion of the kardashian, the reason the dancers, buddhist sect and guru began.
Output:
A