Mandy failed to beat her final opponent, Even though she practiced karate every day.
C is the answer you can only get one answer.
A hyperbole is an outrageous exaggeration that emphasizes a point and can be either ridiculous or funny for the readers to read. They can be added to fiction wherein they add more color and depth to a character and the character's personality in the story or poem.
Need more details it could be him or them