[单选题] 提问人:匿名网友 提问时间:2021-08-22

If a rising Mediterranean had gradually refilled the lowered Black Sea, _______.  


A .the floodwaters would have left a thicker, uniform dusting of sediment
B .the Black Sea would have become a much smaller freshwater lake
C .radiocarbon dating of the shells from deeper sediments would have yielded older age than those from shallow shelf
D .the hard-rock basement beneath the sediments filling the Bosporus would have lain at a depth of 35 meters

提问人:匿名网友 提问时间:2021-08-22

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