Question

The famous character Don Quixote suffered from _______ that windmills were giants and his old horse was a young steed. A. collusions B. deluges C. delusions D. potions

Answer 1

The famous character Don Quixote suffered from C. delusions that windmills were giants and his old horse was a young steed.
A delusion is when you believe something which is not true. Collusion is a secret agreement. Deluge is a flood. Potion is something you drink.