Which of the Following Is True of a Buyer with an Output

Multiple Choice

Which of the following is true of a buyer with an output contract?

A) The buyer cannot sue the seller if the seller shares some of its output with another buyer.
B) The buyer can choose to buy when and what he wants from the seller.
C) The buyer is obliged to buy all the goods sold by the seller.
D) The buyer cannot enforce the best-efforts clause in the output contract.