Which sentence contains a prepositional phrase?
a. the conductor collected the passengers' tickets.
b. the train roared through the tunnel.
c. the engineer blew the train's whistle.
d. the train ride was a lot of fun.

What is one unique way in which the medium of tv can affect a message? a. by allowing the audience to review information and reflect on it b. by limiting the amount of coverage any one topic gets c. by using images and sound to give information context d. by reporting some types of information but ignoring other types