Which sentence uses the underlined word correctly? A. The school council used multiple demographics to advertise the prom. B. Th
e school council used multiple mediums to advertise the prom. C. The school council used multiple genres to advertise the prom. D. The school council used multiple media to advertise the prom.
The sentence that uses the underlined word correctly is D) The school council used multiple media to advertise the prom. The plural of medium is media, if you are referring to TV, or radio, etc. Mediums are people who can speak to ghosts.