370

[vaivish]

370. 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

[gmatgoal750]

IMO B

[ektamatta]

I m confused between A/E ...i think its OA IS E....what is the OA ?

[reachac]

IMO A..

we are ref to a cause for that shift, "by the rapid of....."....so using has been is appropriate to depict action been done by the force(cause)

[pranavc]

Going with B. What is the OA?

[priyankamishra11]

I think its B.

[prad]

its a brcause the light is shifted by something

[kiranlegend]

IMO A..

[bigfernhead]

IMO A

[Aldiablo]

IMO B.

Also can someone please explain the meanings associated with these usages-

1. has been shifted
2. has shifted

[vaivish]

OA is A.

has been shifted: the action is under progress +---present perfect progressive tense
has shifted: action is completed -- presence tense