Please urgent please help

Chan was leading a group discussion in his university. he discovered that a few participants were dominating the discussion and not letting others speak. what should chan do in such a situation a. chan should allow participants to speak until they are finished b. chan should adjourn the discussion and recommence at a later point c.chan should bar the dominant participants have the freedom to share their opinion d.chan should ensure that all participants have the freedom to share their opinion e.chan should restructure the group so that the dominant participants are isolated

It's to know your purpose before you read something because a purpose can:

Read this excerpt from tim o’brien‘s “ambush” “i had already pulled the pin on a grenade. i had come to a crouch” which literary device is most clearly shown in this excerpt?