Every Year at the End of the Selling Season in September,Jones

Every year at the end of the selling season in September,Jones & Co.,a furniture manufacturer,offers special discounts on wholesale prices for the furniture it has not sold.S Co.goes to Jones & Co.'s warehouse and buys all remaining leather sofas and pays for them.In the presence of S Co.'s representative,the sofas are immediately set aside on the warehouse loading dock for pick up by S Co.the next day.That night,the sofas are destroyed by a warehouse fire.In this case

A) title of the sofas does not pass to S Co.until the sofas are actually on S Co.'s truck.
B) title of the sofas passed to S Co.when the sofas were set aside on the loading dock.
C) title of the sofas does not pass to S Co.until it comes to pick them up.
D) title of the sofas did not pass to S Co.because leather sofas were not specified in the contract.
E) title of the sofas does not pass to S Co.because the contract for the sofas is a conditional contract.