Question

Below is given a sentence with an emboldened part. The part may or may not be grammatically correct. The question is followed by three alternatives that might improve the sentence. Choose the correct combination of alternatives. The scientist's groundbreaking research led to revolution advanced in the field of quantum physics.
i. a revolutionary advancements
ii. revolutionary advancements
iii. revolutionary advanced

A Only i
B Only ii
C Only i and ii
D Only iii
E None of the above
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