Direct lobbying refers to lobbying conducted Grassroots lobbying refers tolobbying conducted

A$)$ by the mass membership of an interest group and their supporters; by representatives $($lobbyists$)$ of an interest group.

B$)$ by representatives $($lobbyists$)$ of an interest group; by the mass membership of an interest group and their supporters.

C$)$ by people who use direct, forceful language; by agricultural groups.

D$)$ only of directly elected government officials; only of local government officials.