PART A: Which statement identifies the central idea of the text?

A
The time that teenagers spend with digital media negatively impacts their ability to make sense of longer and more complex written material.
B
Teenagers are not developing the social skills they need to succeed in the world, as digital devices encourage them to spend time alone.
C
Fast-paced games and constantly updating social media makes it difficult for teenagers to be entertained by paper media, such as books and magazines.
D
The time that teenagers spend playing video games or on social media takes away from their commitment to their studies, negatively affecting their grades.