Danny Agreed to Sell a Large Painting to Mary for $5,000

Danny agreed to sell a large painting to Mary for $5,000. It has a sentimental value to Mary-being a painting of her house in 1938. Before delivery Danny discovered the sentimental interest of Mary and refused to sell it at the agreed upon price. Which of the following statements is correct?

A) Mary is not entitled to an equitable remedy because the subject of the contract is not real property.
B) Danny does not have to deliver the painting at the original price because of the doctrine of mistaken value.
C) Danny can demand compensation for the painting's full esthetic value.
D) Mary could claim the remedy of specific performance because the painting is so special to her.
E) Mary is entitled to damages of $5,000.