Which sentence uses parallel structure?

third person

explanation:

note the usage of names and pronouns, "james" & "the old man". this alone can confirm it as third person, as first person uses "i" and the like, while second person uses "you" and the like.

~

d

explanation:

b is the answer.   i sat on the lumpy sofa, totally exhausted, with a bad taste in my mouth, wondering what i should do next.  

let's think

what are some attributes about yourself that has changed?

have you had goals that you've been trying to reach, goals you've thrown away?

how do you view your character; what or who has changed it?

what stories do you have about people or things that have changed you?

has religion changed you? an exciting event?

do you believe life has an adventure in store? do you believe it's meaningless?

try to answer questions about yourself.