Todos LtdAgrees to Supply Petro Refining,Inc

Todos Ltd.agrees to supply Petro Refining,Inc.,with oil from Venezuela.When the gov?ern?ment unexpectedly nationalizes the oil industry,Todos can obtain the resource only at a much higher price.Petro agrees to pay but later files a suit to recover the difference.The court will most likely rule that

A) a change in government is a risk ordinarily assumed in business.
B) an unforeseen difficulty supported the contract modification.
C) Todos engaged in extortion or the so-called holdup game.
D) Todos had a preexisting duty to supply the goods at the initial price.