Solnhofen Quarry in Germany is special because _________________.

A) The fossils of Jurassic animals including archaeopteryx are exceptionally well-preserved at this site.
B) The site is the only place where complete Tyrannosaur skeletons have been collected.
C) The site preserves fossils of the fish-eating Spinosaurus.
D) The site preserves a spectacular collection of fossil conifers from the Late Cretaceous.