From The Glass Menagerie: "Suspended in the mist over Berchtesgaden, caught in the folds of Chamberlain's umbrella." Who was Chamberlain?

a.Paul Chamberlain: Tom's Father


b.Neville Chamberlain: Prime Minister of Great Britain.


c.Pedro Chamberlain: Amanda's drunkard husband


d.Cornelius Chamberlain: Gentleman caller for Laura