【单选题】

Which of the following statements is INCORRECT about the SpeechAct Theory

[A] The main idea of the theory is that things can be done with words.
[B] This is the first major theory in the study of language in use.
[C] There are two types of sentences according to this theory: performatives and constatives.
[D]As a sense of this theory, IllocutionaryAct refers to the result or effects that are produced by meanings of saying something.