Question

The writer wants to add a sentence after sentence to provide factual support for the introductory claim and focus the audience on the argument of the passage. Which of the following sentences best accomplishes this
purpose?
A
Thanks to a process called neuroplasticity, the brain continually strengthens or weakens neural connections in response to stimull from smartphones.
B
Researchers at Columbia University argue that "wle are becoming symbiotic with our computer tools, growing into interconnected systems that remember less by knowing information than by knowing
where the information can be found."
с
According to a recent Gallup Poll, only 21 percent of Americans say they "rarely or "never" feel mental or emotional strain in their day-to-day lives.
D
A recent study found that 86 percent of Americans are stressed out from constantly checking their smartphones
Neuroscientist Susan Greenfield cautions that social media can become a platform for constructing an artificial identity to impress an audience of barely known "Friends"

Answer 1

Answer:

D (a recent study found that 86 percent of Americans are stressed out from constantly checking their smartphones.

Explanation:

I got it right on collegeboard