U$.$S$.$ senator in a competitive state has an important vote on immigration reform coming oon. If she wants to act as a delegate of her constituents, then she would likely

hold campaign fundraising events to generate funds to air attack advertisements against her opponent.

hold town hall meetings with constituents to hear their views on the issue so she can vote in accordance with their wishes.

avoid the issue altogether so that her competitor cannot criticize her position on immigration.

rely on her own convictions and judgment rather than meeting with constituents who may know less about the issue.