What does the highlighted portion mean ? can someone elaborate ?

According to the first stasimon, the chorus appears certain that oedipus is the murder true false

Which choice is a major detail from paragraph two? a) the great wall is a large network of several walls and towers. b) the great wall looks like a long wall snaking its way across china. c) the great wall was constructed over hundreds of years beginning in 221 b.c. d) the great wall construction encouraged several independent kingdoms to unite.

Which detail does the author include to support the central idea about how her mother about the dictator? a) doubly revolted b) obsession c) in exile d) isolated e) cautionary tales