from gmatprep.
Since digital recording offers essentially perfect reproduction - on compact discs, digital audiotapes, or videodiscs - audiophiles can accumulate vast collections of //music, transferring them from one format to another, copying it, and digitally altering it with little effort and not damaging //the sound quality.
A. Same
B. music, transferring it from one format to another, copying it, and digitally altering it with little effort and no damage to
C. music, transferring them from one format to another, copy them, and digitally alter them with little effort and no damage to
D. music and transfer it from one format to another, copy it, and then digitally altering it with little effort and not damaging
E. music and transfer it from one format to another, copying it, and digitally alter it with little effort and no damage to
oa is b,
pls explain the meaning relation between "acumulate" and " the transfering,copying and altering"
normally, comma+doing show the effect of the previous clause. Is it true in this sentence, pls explain.
thank you