Studying the art for several years, practicing difficult notes every day,
and frequent performances has enabled the young pianist to secure a contract with the country’s biggest music company.
(A)
and frequent performances has enabled the young pianist
(B)
as well as frequent performances have enabled the young pianist
(C) and performing frequently, the young pianist
has been enabled(D)
and frequent performances have enabled the young pianist
(E) and performing frequently enabled the young pianist
Pay attention to commas. In his case, they tip us off to the presence of a list. We need to make sure that all the things in the list are able to be part of the same list. "Studying" and "practicing" are both gerunds. The third item in the list should also be a gerund, so we need "performing." Eliminate A, B, and D.
Between C and E, the active voice of E is superior to "has been enabled" in C.
Answer choice E.