I would say that whatever comes next, the second one doesn't help him cross bridges. King is going to set the stage for a You said they said kind of argument which hardly ever gets anyone anywhere.
The first one is fine. It's just two allusions to the Bible which help King justify his reasons for spreading his ideas. The comparison might be a bit harmful, but maybe not as bad as the second one.
The third one just states a fact. He may be flaunting his status and if he is, that's not going to help matters. This is a colored organization: it may offend the white population. It shouldn't but it might. King really is just stating a fact.
I'd still pick B, but don't be surprised if it is C.