The correct answer is B.
This answer has no examples of figurative language. King wrote this line for it to be interpreted literally.
On the contraty, answers A, C and D, all contain metaphors.
Delhi Public School
Notice
MUN Competition
May 20th 2021
This is to inform the students of class 8 - 10 that the school is organizing a An inter house MUN competition on 30th May the details are as follow:
Day/Date: Sunday , 30th May
Time : 11am
Venue: School Auditorium
Students who are interested may contact the head of English department Mr. Manu for further information.
(Sign)
Rehan
Head Boy
Annihilate and decimate both mean to destroy something or someone, but annihilate means to destroy something as a whole, and at a bigger scale, while decimate doesn't have to mean destroying the whole thing.
Eradicate and massacre are both violent words with the intent to convey destruction, but eradicate is a more general term, as massacre is meant to simple destroy/kill a large group of people.
The narrator was guilty that he suffocated and dismembered the old man. When the police arrived and had a chat with him, the guilt got to him and he confessed his crimes.
I hope that's good enough!