The high school math department needs to appoint a new chairperson, which will be based on seniority. Ms. "A” has less seniority than Mr. "B”, but more than Ms. "C”. Mr. "D” has more seniority than Ms. "A”, but less than Mr. "B”. Mr. "B” doesn't want the job. Who will be the new math department chairperson?
Mr. "D”
Mr. "B” has the most seniority, but he does not want the job. Next in line is Mr. "D”, who has more seniority than Ms. "A” or Ms. "C”.