The correct options are
B To remain true to the view points expressed by them prior to the elections.
C To come good on the promises made by them prior to the elections.
D To consult the citizens from time to time on issues of governance.
The representatives are expected to adhere to the view points expressed by them and the promises made by them prior to the elections. They are also expected to consult the people from time to time, to know about their opinions and grievances.