Final answer:
Captioning and subtitles provide text that appears on the screen and helps students who do not have proficiency in English.
Step-by-step explanation:
The feature that you would use to assist a student who does not have proficiency in English is Captioning and Subtitles. Captioning and subtitles provide text that appears on the screen and provides a written version of what is being said or shown in the video. This can help students who may have difficulty understanding the spoken language or need additional support in comprehending the content.