Gladys Enters into a Contract with Hydraulic Fracturing,Inc

Gladys enters into a contract with Hydraulic Fracturing,Inc.,for a sale of the oil beneath Gladys's land for a fraction of the value of the oil and the cost to restore the land after the oil is extracted.A court is most likely to determine that this deal is unfair under

A) the concept of unconscionability.
B) the doctrine of promissory estoppel.
C) the principle of freedom of contract.
D) the Statute of Frauds.