GMAT Sentence Correction (SC) | Re: Nineteenth-century authors often included encyclopedic information in

Nineteenth-century authors often included encyclopedic information in their novels; Melville's famous chapter of the physiology on whales, contained as it is in his masterwork Moby-Dick, serves as a perfect example of this phenomenon.

A. contained as it is in
B. contained as it is within
C. contained in
D. found contained in
E. being found contained in