Choose the most suitable idiom for the given situation.
Your friend has already told me everything about your secret surprise that you were planning for the last two weeks.

Correct option is B

Given Idiom: "To spill the beans" means to reveal secret information accidentally or maliciously. Example: She couldn’t keep the surprise any longer and spilled the beans about the party. Other related idioms: · " Let the cat out of the bag" - similar to spilling the beans, meaning to reveal a secret carelessly or by mistake.