A little under a million years ago, the briny waters of the Baltic Sea began flooding into the cold North Atlantic: geologists are still debating (whether the flood was gradual or created a cataclysm.) (A) whether the flood was gradual or created a cataclysm (B) if the flood was gradual or created a cataclysm (C) about whether the flood was gradual or cataclysmic (D) whether the flood was gradual or cataclysmic (E) whether the flood was gradual or it created a cataclysm
答案D,我选了C
[此贴子已经被作者于2003-10-26 0:13:21编辑过] |