One Irony of the First U

One irony of the first U.S. senatorial elections was that

A) vote turnout was particularly low.
B) very few incumbent members even bothered to run for reelection.
C) most of the members of the Senate were replaced by members of the House.
D) most of the Senators who lost were reelected to the House of Representatives.
E) most of those who had been previously selected by the state legislatures won reelection.