单选题 There is hardly a generalization that can be made about people's social behavior and the values informing it that cannot be______ from one or another point of view, or even dismissed as simplistic or vapid.
【正确答案】 D
【答案解析】解析：challenge“挑战”；defend“保卫，防守”；intuited“直觉的”；harangue“高谈阔论，滔滔不绝”。根据句意，本题答案为D。