A

句意：这位老师有一种疏导学生在说英语时产生的紧张情绪的独特方法。 Break down :to separate something such as an idea or statement into smaller parts in order to make it easier to understand or deal with .go over 复习； take off脱下，起飞；give away分发，赠给，泄露（秘密）。