Which of the Following Is True with Regard to Ending

Which of the following is true with regard to ending a contract by performance, agreement, frustration, or breach?

A) If a person owing money has tendered payment in a reasonable way, at a reasonable time, and it has been refused, he is free from any further obligation to pay.
B) The victim of a breach can recover damages even for the loss he could have avoided if he had tried to.
C) If the court holds that a contract has been ended by frustration, the damages awarded by the court will be the same as if the contract was ended by a breach.
D) An exemption clause that a seller claims absolves him from liability may be of no effect if the seller has committed a "fundamental breach" of the contract.
E) A person who breaches a contract is liable for all the loss that directly and naturally flows from the breach, no matter how unforeseeable.