In both the u. s. house of representatives and u. s. senate, which of the selections below is elected by the party with the most members of that chamber?

The correct answer is B) the Majority leader.

The other options of the questions were A) Party Conference Committee Chair. C) Minority whip. D) Majority whip.  

In both the U.S. House of Representatives and the U.S. Senate, the selection below is elected by the party with the most members of that chamber: it is the Majority leader.

The party's majority leader in the United States House of Representatives is elected by their respective members in a caucus. It is a secret ballot to elect the floor leaders of the House. The Majority leader establishes the legislative calendar for the period and supervisees the work of all the committees in the House. Something similar happens in the Senate, where the vice president of the US presides the sessions.