read this sentence from Dante's inferno, canto l, in which Virgil introduces himself

If you shall wish to ascend to be blessed
A soul worthier than I shall guide you.

what does this sentence most likely imply about Virgil's understanding?

A. Virgil thinks that only rich individuals are blessed.
B. Virgil realizes that only believers reach heaven
C. Virgil fears that the path to heaven is too steep.
D. Virgil wishes that he had strength to guide people