Sentence Correction

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 developed rates how
likely it is for a particular asteroid or comet to
C. astronomers have developed a scale to rate how likely
a particular asteroid or comet will be to
D. astronomers have developed a scale for rating the
likelihood that a particular asteroid or comet will
E. astronomers have developed a scale that rates the
likelihood of a particular asteroid or comet that may.

According to me the answer should be e, but its given as c

imo C..
E alters the meaning...may is necessary here....

stubbornp wrote:imo C..
E alters the meaning...may is necessary here....

U r right .. The sentence already talk about likelihood so may is redndant. There is a problem in introdcing the second sub clause as well (followinf the second that ).