How do Republicans and Democrats choose candidates for president? A. The candidates are chosen by their parties' elected office holders. B. The candidates are nominated through claims of birthright. C. The candidates are nominated at their party's national conventions. D. The candidates are chosen by a vote of the Electoral College.

The candidates are nominated at their party's national conventions.

Explanation:

Delegates to each party's national convention vote to nominate the candidates for president and vice president. Delegates are chosen by the approved procedure in each state. Most states choose delegates in primary elections, but some are chosen in state party caucuses or state party conventions.

the answer would be:

b. race

someone or something lol