The number of electors each state has in the Electoral College is determined by

Athe U.S. Supreme Court.
Bthe President of the United States.
Cthe proportion of its representation in Congress.
Dpolitical party support.

Verified Answer :

The number of electors each state has in the Electoral College is determined by "c. the proportion of its representation in Congress" since this is determined by the population number of each state.