Covert societies, such as the Y Society at University of Virginia and Skull ... ...

Covert societies, such as the Y Society at University of Virginia and Skull and Bones at Yale, often rely on the _________ of former members to continue the tradition with each generation.
(A)    progeny
(B) ...
(C) ...
(D) ...
(E) ...

*This question is included in Nova Sentence Equlvalence: Lesson Set