Why Did the Framers of the U

Why did the framers of the U.S. Constitution not anticipate the first phase of the presidential elections?

A) In that period, two elections were illegal.
B) They did not anticipate that a two-party system would emerge.
C) There was not enough population to warrant an election.
D) The population was so low that it was possible to create a ballot with all names listed.
E) It was very likely an oversight on their part.