The __________ refers to the pictures which can be sent into our homes indirectly.

A．There are some rocks on top of the TV.
B．He watched TV and saw rocks on the ship.
C．He was promoted.
D．Nothing happened.

A．He told Bob not to study late at night.
B．Bob is too tired to study any more.
C．He had often advised Bob to study.
D．Bob didn’t hear the alarm.