What Was the Outcome of the 1868 Election

What was the outcome of the 1868 election?

A) Democrats swept the South,promising that southern states could reorganize their own governments.
B) Republicans lost their two-thirds majority in the Senate due to the readmission of rebel states.
C) Republicans won the presidency and retained their two-thirds majority in both houses.
D) Democrats gained a Senate majority but were unable to capture the presidency or the House.