Answer : D) not
Antonyms are words used to show the opposite meaning of another word, and the word “not” is often placed in front of another to show this.
Answer:
although they provide confort to the residence of that seat, they can cause problems such as if some body puts us there legs, then other people can't get past them
Explanation:
It is called banding I believe sorry if I am wrong google it if you don't thinki it is !! :)