(A) The Secretary of State
(B) The President
(C) ** The Vice President
(D) The Supreme Court
EXPLANATIONS BELOW
Concept note-1: -The Constitution names the vice president of the United States as the president of the Senate . In addition to serving as presiding officer, the vice president has the sole power to break a tie vote in the Senate and formally presides over the receiving and counting of electoral ballots cast in presidential elections.
Concept note-2: -The current president pro tempore of the U.S. Senate is Patty Murray of Washington.
Concept note-3: -On January 20, 2021, Democratic vice president Kamala Harris took office. Her tie-breaking vote established a Democratic majority in the Senate, making Charles Schumer the majority leader and Mitch McConnell the minority leader.
Concept note-4: -Under the Constitution, the vice president serves as the president of the Senate and presides over the Senate’s daily proceedings. In the absence of the vice president, the Senate’s president pro tempore (and others designated by them) presides.