Adam Offered to Buy Automobile Batteries from Ben

Adam offered to buy automobile batteries from Ben.Adam's purchase order was complete with respect to all material terms except price,which was omitted.If Ben accepts Adam's offer,and the price of automobile batteries is well established in the industry,does a contract exist between Adam and Ben?

A) No contract was formed between Adam and Ben.
B) A contract was formed between Adam and Ben only if it can be proved that the parties intended to enter a contract and orally discussed the price.
C) A contract was formed between Adam and Ben,but the price will be treated as a proposed addition to the contract which must be accepted by both parties.
D) A contract was formed between Adam and Ben even though the price term was omitted.