Sentence Correction (SC) | Although the initial setup of generators and a power grid by Edison an

Although the initial setup of generators and a power grid by Edison and JP Morgan was rather costly, the electrification of lighting in lower Manhattan doubled work efficiency when the energy costs were cut inhalf.

(A) the electrification of lighting in lower Manhattan doubled work efficiency when the energy costs were cut in half
(B) the electrification of lighting in lower Manhattan doubled work efficiency while cutting energy costs in half
(C) the electrification of lighting in
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