Which of the Following Is a Regulation That Pertains to Interest

Which of the following is a regulation that pertains to interest groups?

A) All groups must disclose publicly, to the federal government, the names of all of their dues-paying members.
B) People who leave government for a group cannot lobby their former office for at least a year.
C) Groups cannot donate money to anyone that they intend to lobby in an upcoming legislative session.
D) Groups may not hire former members of the U.S. Congress to work for them in any capacity.
E) Groups may not hire a person who has worked in any capacity for the federal government as a lobbyist.