GMAT Sentence Correction (SC) | Re: Growing out of a need for affordable housing during the Great Depressi

Growing out of a need for affordable housing during the Great Depression, the first student housing cooperatives were structured as not-for-profit organizations, whose members made small payments toward their roomand board, then taking turns performing household duties, such as meal preparation and property maintenance.

(A) board, then taking turns performing
(B) board, and then taking turns performing
(C) board and then took turns performing
(D) board and then took turns, they performed
(E)