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jojozxc

1.        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

请问为何C这种用法不正确？ about/over 不能和后面的从句连接吗？

likui

冗余

debate

1.to discuss a subject formally when you are trying to make a decision or find a solution
The issue will be debated on Tuesday.
debate whether/what/how etc
Meanwhile, philosophers debate whether it's right to clone an individual.
debate (something) with somebody
an invitation to debate with William on the future of democracy
His conclusions are hotly debated (=argued about strongly) .