Quarried from a site over five miles away, scientists are still puzzle

Quarried from a site over five miles away, scientists are still puzzled as to how the prehistoric Britons managed to transport the massive stone blocks of Stonehenge over such a great distance without machinery.


A. scientists are still puzzled as to how the prehistoric Britons managed to transport the massive stone blocks of Stonehenge over such a great distance without machinery.

B. the massive stone blocks of Stonehenge are still puzzling to scientists because of how the ancient Britons managed to transport them over such a great distance without machinery.

C. scientists are still puzzled by how the prehistoric Britons managed the transportation of the massive stone blocks of Stonehenge without machinery over such a great distance.

D. the massive stone blocks of Stonehenge still puzzle scientists, who wonder how the prehistoric Britons managed to transport them over such a great distance without machinery.

E. the massive stone blocks of Stonehenge are still a puzzle to scientists due to being transported over such a great distance without machinery.