Why Did British and American Diplomats Take Nearly Two Years

Why did British and American diplomats take nearly two years to conclude a peace treaty after the British surrendered at Yorktown?

A) American negotiators sought delays so that state governments could coordinate their demands.
B) France and Spain stalled,hoping for some major naval victory or territorial conquest before the official peace.
C) Members of Parliament could not reach agreement on the concessions that they were willing to make.
D) The lengthy periods necessary for transatlantic travel and communications required a long process.