Arrange the following sentences of a paragraph in proper order.
A) Today, it is the extremist supporters of his daughter, Marine Le Pen, who have helped outgoing conservative incumbent Nicolas Sarkozy reduce Mr. Hollande's margin of victory to a sliver
B) In doing so, he has effaced the humiliation suffered by the Parti Socialist (PS) in 2002, when Prime Minister Lionel Jospin was bundled out of the first round by the extreme right leader, Jean-Marie Le Pen.
C) François Hollande's victory in the French presidential election is notable on several counts..
D) He has ensured the Socialists' return to power after 17 years in the political wilderness.