Part of the Law's Response to a Breach of Contract

Part of the law's response to a breach of contract is best explained by the fact that

A) a breach of condition will usually substantially deprive the party in breach of the expected benefit of the contract.
B) some terms cannot be classified as either a "condition" or a "warranty" at the outset.
C) a breach of a warranty will usually deprive the party in breach of the expected benefit of the contract.
D) a breach of a condition will prevent a contract from being formed.
E) an unaccepted repudiation is effective to discharge a contract.