An opportunity to reject a binding contract at will by a third party is said to be a?

A.

valid contract

B.

quasi contract

C.

voidable contract

D.

conditional contract

Correct answer is C

When a contract is entered into without the free consent of the party, it is considered a voidable contract. 

Voidable contracts are those that have been entered to by trick or coercion, or entered into with a minor, or entered into where one party was temporarily impaired (e.g., drunk).