单选题 Traditionally it has been common practice for schools to seek to maintain discipline and control misbehavior via the ______ of authority and the employment of sanctions as punishments.

A、 exertion
B、 subjugation
C、 divergence
D、 catastrophe

【正确答案】 A

【答案解析】[解析] 句意：传统上，通过行使权力并采取惩罚措施来维持学校纪律、控制不良行为，是学校的普遍做法。exertion发挥，运用。subjugation征服，镇压。divergence分歧。catastrophe大灾难。