In the Congress, Joint Committees Are Comprised of Members of Both

In the Congress, joint committees are comprised of members of both House and Senate and are

A) empowered to conduct oversight or investigation of agencies related to Congress.
B) temporary committees created to deal with a specific issue.
C) responsible for handling the majority of the day-to-day business of legislating.
D) comprised of members of both the House and the Senate to iron out differences between similar bills that have passed both houses.
E) called for the specific purpose of overseeing the impeachment trial of the president.