It can be inferred from the passage that the reason the author finds the Solutrean hypothesis both startling and paradoxical is that A. ancient cultures were most likely unable to develop such a sophisticated form of maritime transport that they were able to cross the Atlantic B. it supports the Clovis school of thought, and posits the existence of a capacity not commonly associated with ancient people C. the Clovis people had crossed from Siberia navigating across a difficult ice corridor, whereas the pre-Clovis people had sailed, with far less difficulty, across the Atlantic ocean D. it suggests that the pre-Clovis people had a way to circumvent the ice-corridor, yet were unlikely to have traveled as far south as modern day Chile E. it runs counter to one of the chief tenets of the "Clovis first" school of thought