【单选题】Geographers and historians have traditionally held the view that Antarctica was first sighted around 1820, but some sixth-century European maps show a body that resembles the polar landmass, even ...
A.
The question of who first sighted Antarctica in modern times is still much debated, and no one has been able to present conclusive evidence.
B.
Between 3,000 and 9,000 years ago, the world was warmer than it is now, and the polar landmass was presumably smaller.
C.
There are only a few sixth-century global maps that show a continental landmass at the South Pole.
D.
Most attributions of surprising accomplishments to ancient civilizations or even extraterrestrials are ually discredited or rejected as preposterous.
E.
Ancient philosophers believed that there had to be a large landmass at the South Pole to balance the northern continents and make the world symmetrical.