Answer:
A. decide what is meaningful and useful and what is not
Step-by-step explanation:
"Media" refers to the different modes of communication such as TV, radio, Internet, newspaper, etc.
"To Filter" means to remove something that is not meant for people to know.
So to speak, to filter the media means to remove unnecessary information or useless information from the pool of information in the media. This means that only the meaningful things or information will be relayed or posted for the audience/readers to know.