According to ______，speech acts fall into five general categorie

According to ______，speech acts fall into five general categories: representatives, directives, commissives, expressives and declarations.
A、Austin
B、Grice
C、Searle
D、Sapir
【正确答案】：C
【题目解析】：根据约翰·塞尔的理论，言语行为可以分为五大类