let's try to understand the meaning of given words

paranoid- wrongly belief that other people are trying to harm you or saying bad things about you

convinced- cause someone to believe that something is true or real

distrustful- not trusting someone or something

committed- prepred to give your time and attention to something important

trustful- trusting someone or something

from all four distrustful is more closer meaning to paranoid, so option B is the right answer