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.
參考答案為C
但是C中的be to 的用法是否有誤阿?
D中的for rating也不好
E的likelihood of 也改變句意
不知大大有無好的判斷方法阿?