Can a state quit the United States to form its own nation?

In 2028, the republican party controls the u.s. senate and the democratic party controls the u.s. house of representatives. each party hopes its candidate can win the presidential election, giving the party more of a say in the country's policies. it's a close race - in the end, 51 percent of americans vote for republican candidate ted torres. former u.s. senator rosa marcus, the democratic candidate, receives 5 more electoral votes than torres - just enough for her to reach a total of 270 electoral votes. according to the rules of the electoral college, marcus will win the election. what adjustment to the electoral college would change this outcome? a. elections being decided based on who receives more electoral votes, even if neither candidate gets 270 b. all states splitting their electoral votes between the candidates based on what percentage of the popular vote they won c. the removal of the house of representatives from the decision- making process d. electors being required to vote according to the wishes of their states