Which of the Following Is True of Social Media

Which of the following is true of social media?

A) Social media are completely free,as they have no direct media cost.
B) Social media discourage the many-to-many model of communication and support the one-to-many model of communication.
C) About 7 in 10 Americans are on at least one social media platform.
D) Social media include television,magazines,and radio.
E) Social media do not differ from traditional media in their mode of operation.