【单选题】Australia began to assume its modem configuration by the Eocene Epoch, some 50 million years ago, when Antarctica broke away and drifted southward.
【单选题】What is the reason for much more damage over the next 20 years than during the last 20 years?
A.
Hurricane activity is more or less readjusting to its long-term averages after a period of relative quiet.
B.
More people are placing themselves, their houses, yachts, and office high-rises in storm paths when they move to hurricane-prone states and their geologically fragile shorelines.
C.
The Atlantic basin is in the midst of a long-term active phase for hurricanes.
D.
The unusually high amount of storm activity can not be anticipated.