I would need to read the paragraph to answer it do you have the title name or picture?
Answer:
Roads
Explanation:
Just try to fill in the word "route" with the options and see which one makes sense.
the quickest building cities from A to B doesn't sound right, and neither do the other options, but the quickest roads from A to B sounds reasonable.
In cryptography, the hybrid argument is a proof technique used to show that two distributions are computationally indistinguishable.