Answer:
The correct answer is option a) Inform
Step-by-step explanation:
The are different objectives when addressing a speech to the audience. If your purpose is that your audience gains knowledge, then you need to inform.
If you want to convince your audience on a given topic, then your speech should use persuasive arguements (to persuade).
if you want to entertain your audience, then your speech should not be focused on providing information or persuading.