Read the passage from "the tell-tale heart.”

it is impossible to say how first the idea entered my brain; but once conceived, it haunted me day and night. object there was none. passion there was none. i loved the old man. he had never wronged me. he had never given me insult. for his gold i had no desire. i think it was his eye! yes, it was this! he had the eye of a vulture—a pale blue eye, with a film over it.

the best summary of the internal conflict in the passage is that the narrator

is confused by his affection for the old man.
struggles with his decision to kill the old man.
is confused by the old man’s mistreatment of him.
struggles with his desire for the old man’s wealth.

B) struggles with his decision to kill the old man.

Explanation: in literature, a conflict is a struggle between opposite forces, usually between a character (the main character or a very important one) and himself (internal conflict), society or another character (external conflict). In the given passage from "The Tell-Tale Heart" we can see an example of an internal conflict, because the narrator explains how the idea of killing the old man haunted him day and night, he didn't have any reason to kill him, but he wanted to do it.

answer: b (host)

viruses use the cells of living organisms to reproduce. the cell which is used by virus is called as "host cell". it is a living cell in which virus multiplies, example bacteria, plant or an animal cell.

in this, the virus is a parasite, which uses host cell for its benefit (reproduction) by using the cell machinary of host cell.