GMAT Sentence Correction (SC) | Re: Marketing researchers have found that, because many

504.Marketing researchers have found that,because many residents of the Southeast do not share the same ethnic heritage as Northeasterners, the two varieties of commercially prepared coleslaw most popular in New York City and Boston are virtually ignored by consumers in Richmond and Raleigh.

(A) because many residents of the Southeast do not share the same ethnic heritage as
(B) because many residents of the Southeast do not share the same ethnic heritage with
(C) because many residents of