15 percent of Congress member Seaborn’s constituents have reached out to him urging him to support a new bill expanding Medicaid coverage to people who make $20,000 a year. Even though he disagrees with this position on the bill, he does as his constituents wish. He tries to follow his constituents' wishes on every bill, regardless of how many calls he gets. Which model of representation do his actions embody?

(Choice A)The delegate model

(Choice B) The trustee model

(Choice C) The politico model

(Choice D) The majoritarian model