Read the passage.

excerpt from "A Ghost Story" in Sketches New and Old by Mark Twain

I took a large room, far up Broadway, in a huge old building whose upper stories had been wholly unoccupied for years until I came. The place had long been given up to dust and cobwebs, to solitude and silence. I seemed groping among the tombs and invading the privacy of the dead, that first night I climbed up to my quarters.…

How do the words tombs, invading, and dead shape and enhance the overall tone of this passage?

They create an exciting tone.

They create a sorrowful tone.

They create a comical tone.

They create a threatening tone.