求教：GWD26-Q17 will be to与will区别？！
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.
答案是C，我一直徘徊在C和D之间，不知道为什么要用will be to， 牛人们可否解释一下？！ |
