Answer:
The correct answer to the following question will be Fourth screens.
Step-by-step explanation:
In marketing communication and in advertising, fourth screen can be referred to video screen which are small portable such as, smartphones, portable media player and other mobile devices. This type of screen also used to watch those content which are reserved for TV.
Today most of the people use mobile devices for such tasks. Sometimes the third screen also refers for the opening of new possibilities but fourth will widely have used.
Hence, option C is the correct answer.