Https://www.povertyactionlab.org/evaluation/impact-eyeglasses-academic-performance-primary-school-st...
C. Present is your answer
Explanation:
One way to use slang and idioms in a story is to make characters feel more natural and funny. Unless a character is very formal, real people would not talk without slang or idioms.
Can u explain a little more my brain ain’t functioning lol