correct usage of despite/although

pls help with the SC below, also what the hints for correct usage of despite/although




However much United States voters may agree that there is waste in government and that the government
as a whole spends beyond its means, it is difficult to find broad support for a movement toward a minimal state.
(A) However much United States voters may agree that
(B) Despite the agreement among United States voters to the fact
(C) Although United States voters agree
(D) Even though United States voters may agree
(E) There is agreement among United States voters that