Question

The writer wants to add information to the end of sentence 2 (reproduced below) to preview the line of reasoning in the passage.

Answer 1

Answer:

I think it's C

Explanation:

Answer 2

Answer:

the answer is C) brain, with potentially serious psychological and emotional costs

Explanation:

This is the correct answer according to collegeboard on AP classroom 2021.

AP classroom explanation : This choice best previews the passages line of reasoning. The second paragraph explains how frequent phone notifications caused the brain to release dopamine, and the third paragraph explains how this change in the release of dopamine cause a psychological and psychological effects, such an elevated pulse, shortness of breath, and higher levels of anxiety