You want to ask your teacher for extra help, so you practice in your mind what you will say. This is an example of

• eustress.
• distress.
• a stressor.
• a mental rehearsal.

a mental rehearsal.

The correct answer is "a mental rehearsal." In this scenario, you are mentally practicing or rehearsing what you will say to your teacher. Doing so helps you prepare and feel more confident when actually speaking to your teacher. Mental rehearsal is a technique often used to enhance performance or prepare for specific situations. In this case, it is a way to plan and structure your request for extra help from your teacher.

The correct answer is "a mental rehearsal."