Answer:
C). To meet with constituents in Washington D.C. and in the district.
Step-by-step explanation:
Constituents are described as the parts(people) of the whole who are responsible to comprise(elect) the representatives who would represent them(people) as a whole on their behalf as a part of their duty.
In the given quote, option C reflects the duty of House member that the given quote most likely refers to. It is required for them to meet with the people and understand their ideas, concerns, or opinions in order to accomplish their job well(for which they are elected). Knowing the thoughts and opinions of the constituents help 'improve life in...country'(as the quote suggests). Thus, option C is the correct answer.