A. Odysseus is not easily fooled
Odysseus does not want the Cyclops to get his hands on his ship, so he lies that it was ruined when they arrived. When he says "I saw through this" it means he sees through the Cyclops' attempt to trick Odysseus into telling him where his ship is.
B) Ants look creepy with their weird eyes.
This sentence is out of place because although the rest of the passage is formal and informative, this one is informative and does not offer real fact about the ants.