I believe the correct answer is Parallelism.
Answer: an invasion of a castle.
Explanation: "They enter my castle wall!"
I hope this helps :)
The correct answer is the option C:
- C: Today the phrase "Achilles´ Heel" refers to a weakness that can lead to downfall. This refers to the story of a powerful Greek Warrior who had been submerged in the in the river Styx during childhood.
Because this option is the one that describes better the meaning of the phrase "Achilles´ Hell".