Final answer:
The sentence personifying exhaustion describes it as if it had human qualities, namely, haunting the body and reaching the soul.
Step-by-step explanation:
Personification is a literary device where objects, animals, or ideas are given human characteristics or qualities. Among the provided options, the sentence that clearly uses personification is:
“There stood, facing the open window, a comfortable, roomy armchair. Into this she sank, pressed down by a physical exhaustion that haunted her body and seemed to reach into her soul.”
This sentence personifies physical exhaustion as something that can 'haunt' a body and reach into a soul, attributes typically associated with living beings.