Answer: C) He gives in and decides he will not go on.
Step-by-step explanation: In the given lines from Dante's work, we can see that the pilgrim is doubting whether or not he should go in the journey the muses have chosen him for. He doubts himself, his capabilities and he isn't sure about whether of not he is worth of being chosen. After all the doubts and asking the muses why they chose him, he gives in and decides to not go on.