France Held Out Hope for a Long Time That, If

France held out hope for a long time that, if push came to shove,

A) the Maginot Line would protect them from Germany.
B) Germany could not succeed in any aggressive action against them without Austria's support, and since Anschluss was forbidden, all would be well.
C) Mussolini would rein Hitler in and come on board with France.
D) the United States would intervene with economic sanctions and halt German aggression in its tracks.
E) Britain would come to the support of the beleaguered Czech government when Hitler made his bid for domination there.