GMAT Sentence Correction (SC) | In a state of pure commercial competition, there would be a

In a state of pure commercial competition, there would be a large number of producing firms, all unfettered by governmental regulations,all seeking to meet consumer needs and wants more successfully than each other.

(A) all seeking to meet consumer needs and wants more successfully than each other.
(B) all seekingmore successfully to meet consumer needs and wants than the others.
(C) each seeking to meet consumer needs and wants more successfully than one another.
(D) each seeking to meet consumer