Before running as the party candidate in the us presidential election a candidate must first win the a)coin toss, b) party debates, c) campaign trial, d) primaries

D. Primaries

Explanation:

The candidate must make it through a series of smaller votes within the party so they can stay in the race. Those smaller elections are called the primaries, which come before the presidential election.

c is the answer for this

answer; the department of energy's