It is c. you want to draw the attention of the reader in the intro.
Answer:
It helps in building a better student-teacher rapport which we are in need of right now as we are gradually adapting to the new environment of learning we have due to the pandemic we are currently experiencing.
I think the answer is B because their word choice made me feel sympathy for Mundra and what she went through for her to ache all over and even her heart.
Answer:
"A particular form of a language which is peculiar to a specific region or social group." (Google dictionary). So I would say the answer is A. But C is also a reasonable answer.