Rande Promised to Provide a Series of Lectures on Tort

Rande promised to provide a series of lectures on tort law to a group of professional athletes in exchange for payment of $10 000.Shortly before the lectures were scheduled to take place, Rande promised to provide a publishing company with a recorded set of lectures on tort law in exchange for $15 000.The publishing company agreed that Rande's planned lecture for the group of professional athletes would be the subject of the recording.Which of the following statements is TRUE?

A) Rande does not have a contract with the publishing company because a pre-existing contractual obligation cannot be re-used for the purpose of supporting a new contract.
B) If Rande fails to provide the lecture as promised, he may be held liable for breach of contract to both the group of professional athletes and the publishing company.
C) Rande does not have a contract with the group of professional athletes because he re-used his promise to provide a lecture in order to support his contract with the publishing company.
D) Rande's promise to the publishing company would be enforceable only if it was made under seal.
E) Although Rande has contracts with both the group of professional athletes and the publishing company, he can only demand payment from one of them.