If the Seller Has a Negotiable Document of Title in a Goods-In-Bailment

If the seller has a negotiable document of title in a goods-in-bailment contract,when does risk of loss transfer from the seller to the buyer?

A) When the bailee is notified of the transfer of title
B) When the negotiable instrument is endorsed over to the buyer
C) When a reasonable time has elapsed since the transfer of title
D) When the bailee is notified of the transfer of title and acknowledges the notification
E) When the goods are identified to the contract