Which of the Following Was NOT Part of the Ethics

Which of the following was NOT part of the ethics rules enacted by Congress in 2007?

A) a prohibition on lobbyists from paying for most meals,trips,parties,and gifts for members of Congress
B) a requirement to disclose the amounts and sources of small campaign contributions collected from clients and "bundled" into large contributions
C) a requirement to disclose the funds lobbyists use to rally voters to support or oppose legislative proposals
D) a prohibition on all PAC contributions to members of Congress