In the La Trace v. Webster case, the main point was: a. whether B\& B created an express warranty even though its "Cnditions of Auction" document prevented the creation. b. whether La Trace should have inquired about the lamps with another expert in Tiffany products. c. whether B \& B created an implied warranty that the title of the lamps is good merely by the act of selling the lamps. d. whether it was reasonable for La Trace to sell the lamps in another auction