The answer is D: The speaker's dilemma is that his poetry is his only talent, and he feels he will be unable to serve God.
Milton, being a writer and having become blind, questions and wonders why he cannot see and what is the use of having this talent: <em>"When I consider how my light is spend/ Ere half my days, in this dark world..."</em>, considers that the talent is useless; however his soul is inclined to serve God anyway differently from the servant that hid his only talent.
