Which sentence in this excerpt from the yellow wallpaper by charlotte perkins gilman suggests that the narrator may be prone to hallucinations

This paper looks at me as if it knew what a vicious influence it had  

Explanation:

"The yellow paper" tells the story of a woman who was locked in a room (with yellow wallpaper) by her husband. She was locked up because she has symptoms of mental problems and her husband thinks that rest will do her well.

But her "imprisonment" only worsens her illness and this woman begins to exhibit more symptoms of mental problems such as emotional exhaustion and signs of hallucination, as can be seen in the phrase "This paper looks to me as if it knew what a vicious influence it had! ".

active voice: my father cut the tree.

passive voice: the tree was cut by my father.

active voice: people buy newspapers every day.

passive voice: newspapers are bought (by people) every day.

active voice: people have been using movies as political propaganda since world war ii.

passive voice: movies have been used as political propaganda since world war ii.

active voice: donna gave me my birthday present.

passive voice: i was given my birthday present (by donna). / my birthday present was given to me (by donna).

active voice: mom will leave the keys on the counter.

passive voice: the keys will be left (by mom) on the counter.

the words in parentheses are the agent of the passive voice and can be omitted when obvious, generic, or simply unnecessary.