Which sentence is punctuated correctly?

a.
the dentist informed her, "floss your teeth."

b.
the dentist informed her, floss your teeth.

c.
the dentist informed her "that she should floss her teeth.

d.
the dentist informed her that "she should floss her teeth.

What inference can the reader make about montresor’s feelings based on the passage above? montresor feels good will towards fortunato. montresor is now indifferent towards fortunato. montresor is bent on taking revenge against fortunato. montresor wishes something bad would happen to fortunato.