Which of the Following Best Demonstrates the Difference(s) Between Television

Which of the following best demonstrates the difference(s) between television and radio as broadcast media?

A) Compared to radio, television is more expensive to transmit, has higher costs to produce, and is not as easily "played in the background" while participating in another activity such as driving or reading a book.
B) Radio personalities are more appealing than television personalities.
C) Television is mostly funded through advertisements, while radio makes most of its money from subscription services.
D) Radio requires much more infrastructure than television does.