What are three basic strategies that representatives use to maintain positive connections with their constituents

Representatives maintain a positive relationship with constituents by:
I)  staying in constant communication with the constituents i.e. use of letters, blogs, media appearances and websites
ii) Having their staff to carry out casework, or the staff helping to resolve problems which the constituents have encountered with the national government, and request for favours such as tours of government offices and setting up meetings.
iii) Voting for motions that would keep their constituents happy by serving the interests and concerns of the constituents.

The answer to your question would be b