There is nowhere in early American literature where the influence of Jane Austen is so apparent as the novels of James Fenimore Cooper.
A. There is nowhere in early American literature where the influence of Jane Austen is so apparent as
B. In early American literature, nowhere is Jane Austin's influence so apparent than in
C. It is nowhere more apparent in early American literature that Jane Austen was an influence as in
D. Nowhere in early American literature is the influence of Jane Austen more apparent than in
E. Nowhere in early American literature is it more apparent that Jane Austen had an influence than

This sc has been discussed several times in all forums; however i want to know in the following sentence is parallelism correct?

Nowhere in early American literature is it more apparent that Jane Austen had an influence than the novels of James Fenimore Cooper

the first in applies to second part perfectly. Then why this option is incorrect?

OA is D
thanks