Read this excerpt from "The Tell-Tale Heart" by Edgar Allan Poe.
And now a new anxiety seized me—the sound would be heard by a neighbor! The old man’s hour had come!
How does this incident provoke the narrator's decision to murder the old man?

A} The narrator has written in his diary the precise moment he wished to kill the old man, and that moment has finally arrived.
B} The narrator hates the old man's voice more than he hates the old man's glassy eye, and this pushes the narrator over the edge.
C} The narrator is afraid someone will hear the old man's heartbeat, thwarting his chance to commit the murder.
D} The narrator needs to stop the old man's loud screaming, so he springs into action immediately.