What is the origin of déjà vu, and what is its meaning?

Which sentence uses whether correctly

Which two parts of this excerpt from authur conan doyle's " the contest " show policies lack of knowledge about the rules and restrictions of his society

How does visiting the place of the gods affect the narrator? a. he discovers that it is unwise to have an inquiring mind b. he learns that there is nothing supernatural to fear in the destroyed city c. he renounces everything he learned from the priests and his father d. he understands that the past has nothing of interest for people of the present