The 1888 Election Was Won by Benjamin Harrison Despite Losing

The 1888 election was won by Benjamin Harrison despite losing the popular vote because

A) his opponent's overwhelming support was concentrated in one region, the South, while Harrison enjoyed more moderate support across the country.
B) like most states, Florida awards its Electoral College vote in a winner-take-all format, giving him all of the state's votes despite winning by a razor-thin majority.
C) the House of Representatives awarded him the election when the Electoral College could not produce a majority.
D) he won all the small states by narrow margins, putting him over the top in the Electoral College.
E) he was able to convince three faithless electors to switch their support from his opponent to him.