求教:885-7-13

horsefish

13.    In astronomy the term “red shift” denotes the extent to which light from a distant galaxy has been shifted toward the red, or long-wave, end of the light spectrum by the rapid motion of the galaxy away from the Earth.
(A) to which light from a distant galaxy has been shifted
(B) to which light from a distant galaxy has shifted
(C) that light from a distant galaxy has been shifted
(D) of light from a distant galaxy shifting
(E) of the shift of light from a distant galaxy

答案为A
请哪为给分析一下其他选向为何错?谢谢!

dreadpower

the extent to which 固定用法

      B主动错，意思上要被动

horsefish

谢谢大侠!