单选题 ______ act refers to the act of expressing the speaker's intention.
A. Locutionary B. Illocutionary
C. Perlocutionary D. Spontaneous

【正确答案】 B
【答案解析】[考点] 语言学基本概念
言外行为(illocutionary act)指的是表达说话者意图的行为。