Read the statement from “Emergence of Modern Thought.” No one knows for sure when humans began to use symbolic behavior or thought.

Which statement best explains the credibility of the author’s statement from the passage?

Emergence of Modern Thought

A) Scientists question the many theories about when “modern thought” began, which validates the author’s statement

B) Scientists’ quest to learn more about “modern thought” will eventually reveal when it began, which will disprove the author’s statement

C) Scientists feel the concept of “modern thought” is incorrect, so the author’s statement is inaccurate