GMAT Sentence Correction (SC) | Re: Responding to the publics fascination with-and sometimes

Its D
First phrase leads to astronomers, hence A & B are out
C - awkward
D - correct
E- Use of likelihood & May together is redundant

Responding to the public’s fascination with - and sometimes undue alarm over-possible threats from asteroids, a scale
developed by astronomers rates the likelihood that a particular asteroid or comet may collide with Earth.

A. a scale developed by astronomers rates the likelihood that a particular asteroid or comet may
B. a scale that astronomers have
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