![](https://lstatic.shangxueba.com/jiandati/h5/images/m_q_title.png)
What do we know about the "ghosting" from the passage?A.It is a double image of TV.B.It re
What do we know about the "ghosting" from the passage?
A.It is a double image of TV.
B.It refers to the speed of light.
C.It was eventually solved by engineers.
D.It refers to the speed of the radio signals.