The answer is: rhetorical question.
Rhetorical questions are questions which do not expect an answer. They may not have an answer or it might be too apparent. As a consequence, the speaker intends to make a point and make the audience reflect on something. In the excerpt, the author is determined to cause readers to contemplate on the limitations and the meaning of enlightenment.
B the claim that your report will prove or explain
The following group of words is a sentence.
It is as if a great earthen pot has dropped from an unreachable rafter,what is the grammatical name and function
Saying "like" or "as" makes the statement a simile. The above sentence is a metaphor