Final answer:
The specific purpose statement for a persuasive speech is to persuade the audience to take a specific action.
Step-by-step explanation:
The specific purpose statement for a persuasive speech is option (c): To persuade the audience to take a specific action. A persuasive speech intends to influence the audience's beliefs, values, or behaviors to align with the speaker's position. This type of speech is designed to convince the audience and may encourage them to adopt a new belief or change their behavior. Crafting a clear purpose statement is vital, guiding the development and organization of the speech. An example of this might be, "By the end of this presentation, my audience will feel compelled to reduce their use of disposable plastic."