Which of the Following Statements Is True of the Transfer

Which of the following statements is true of the transfer of a property by sale?

A) Engaging a real estate broker is a legal requirement for the sale of real property.
B) Exclusive right to sell contracts entitles the broker for a commission only if he procures the buyer.
C) Agreement between the seller and the buyer to purchase real property need not necessarily be in writing to be enforceable under the statute of frauds.
D) Real estate sales contracts must be evidenced by a suitable writing signed by the party to be charged in order to be enforceable.