Which of the Following Would Most Likely Result in the Court

Which of the following would most likely result in the court finding the contract had been discharged by frustration?

A) Moore, a sculptor, was delivering a $15,000 work when he lost control of the car and the work was crushed. He had been drinking heavily and had not bothered to wrap or box the work.
B) McGee contracts to give a lecture at a convention on modern marketing, but the convention was cancelled because of an epidemic.
C) Cooper contracts to deliver ten bushels of ripe tomatoes to Haig's restaurant, and Cooper's tomato crop is destroyed by hail a few days before the delivery date.
D) McDonald agreed to buy Thornburn's horse, but unknown to both of them, at the time of the contract the horse was dead.
E) Binks agreed to purchase the business from Kealy, but Binks suffered such great losses in the recent stock market crash that he couldn't afford to go through with it.