Your incorrect answers were 3 and 4.
For number 3, the correct answer is b. This is because not language is not necessarily oral (i.e. there are written languages).
For number 4, the correct answer is b. Although comparative linguistics is a branch of historical linguistics, comparative linguistics is specifically concerned with comparing the linguistics of one person/place from the next.
If I had gotten the lowest mark in the assignment, I would ask myself about the reason for this bad grade. A very probable reason is that I had not studied enough- probably I was distracted by other activities, such as watching a movie. However, since it resulted in a bad grade, I would want to change this behaviour next time and I would prepare for the exam instead of watching the movie!
I’m pretty sure the answer of this question is D
Answer: below
Explanation:
Narrative: > fairytale, folktale, graphic novel, autobiography
Non Narrative: > Newspaper editorial, recipe, speech, research report