Quiz Which statement is a CENTRAL idea of the article?
(A)
Too much screen time can lead to an increase in obesity and other types of physical problems.
(B)
Screen time is necessary for distance leaming but can have negative effects if overused.
(C)
Many students in the United States do not have reliable access to a computer in their home.
(D)
Most experts are not concemed that students have increased screen time during the pandemic.

D

Explanation:

quite an interesting way to teach topic sentences, because the answer to this question is the best definition of a topic sentence that one can present, it is as if answering the questions taught you how to do it, this is some real teaching, it is terribly well-done.

the topic sentence in this paragraph is:

topic sentences writers stay on track and keep a paragraph from becoming an aimless collection of sentences about an idea.

which incidentally tells you what a topic sentence should be.