Answer:
Well, by my reckoning, the first sentence they are putting Ralph on a sort of condition, not a way of reasoning.
The last one they try to intimidate Freddy comparing him to a coward.
The letter B sounds better. The speaker says something positive to Maryann, making her come up with a sense of being brave and make a good decision.
But, as I said before, it's just what comes to my mind. Let's wait for any other explanation. :)
Step-by-step explanation: