HELP W/ ACT PREP QUESTION PLEASE I NEED TO DO WELL AND NEED YOUR HELP!!: At a school picnic, 1 junior and 1 senior will be selected to lead the activities. If there are 125 juniors and 100 seniors at the picnic, how many different 2-person combinations of 1 junior and 1 senior are possible???

A25
B100
C125
D225
E12,500