Answer:
The Correct answer is Option C) They are expected to vote according to public opinion in their home states but also to make policies beneficial to all Americans.
Step-by-step explanation:
A congress member is a representative of the people of their area. The idea being that the congress member will be able to effectively represent their local populations.
While it seems like an easy task to do, members of Congress must also pass bills, take part in committees, pass resolutions, amendments etc in line with making sure that these are beneficial for the whole of the Country.
There are times when something might benefit the whole of the country, but might not benefit a particular State and this is where things become more tricky.
For example, the government might want to restrict the export of Soybean to Russia as part of a sanctions package. However, this would directly have an impact on farmers in South Carolina.