Answer:
I'll pick A, but any of the 4 are true.
Explanation:
A is the answer. The lobbyists have paid, or blackmailed, or simply forced those in government to do what they (the lobbyists) want. No one is stopping corruption especially those in government who are mandated to do so.
Social Movements? They are also very influential. This could be an answer.
When you are bribing someone, money plays a very large influence.
Politicians are never immune to corporate lobbying.
All of them are true.