大全上一道语法

Jennifer789

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（D）

(E) whether the flood was gradual or it created a cataclysm      、

谁能解释下为什么不能选C 呢？？

lcy19812000

debate: 1. vi.                      They are debating.
          2. vt.                      The government is debating the education law.
          3. n. (+about/over)   There must be a little debate about/over it.

Jennifer789

哦哦~~~~~~

verylotus

about是介词，介词后面不能直接接从句