8. In the article, what does the sentence, "Many mainstream moviegoers are flocking to high-profile horror films such as "A Quiet Place," mean?

Correct It means that, most of the people who watches movies in the cinema are showing interest in watching more horror-induced movies inorder to satisfy their curiosity.

Explanation:

They flocking to high-profile horror films shows that, their interest is no longer satisfied by some of the common movies that has little horror scenes in it. But, they want to watch films where majority of the actions are filled with horrors.

option d is correct. corroborated sources of historical evidence   is necessary to validate a claim about an event in history.

historians tend to use written sources, but audio and visual materials as well as artifacts are important objects that supply information to modern historians.

historical sources are usually divided into two categories: primary and secondary sources. depending on the historian's intent, some sources shift their designation. determining what type of sources toimplement, and the level of credibility and reliability of those sources, is a significant step in critical thinking for the historian.

explanation: