Theseue should be the correct answer.
I'm not too sure what you mean by "verxing ideas" -- perhaps it's a typo? But taking that out of the picture, the answer should be
a) strange ideas
Postmodern society a society occurring after the modern society. It can mean as a new practice that replaces or reorganizes concepts dealt with by modernism or an extension of the modern - same concepts but more validated techniques. It is also the age of capitalism in a global marketplace.
The significance of the sentence is that the possibilities for survival are not almost non-existent.