Complete subject: the longest most boring day of his life
complete predicate: ended with a thud
I believe the answer is sibilance correct me if i'm wrong.
C, because "butterfly chaser" seems to point to his opinions on nature.
The answer to this question, is this is something that YOU have to do YOURSELF. It claims that this is your story and that you need to have some fun with it. Basically asking for people to write it for you and then using their stories to answer your question is cheating. Some people on this website are asking for you to explain the answer and help them understand, not just hand the answers to them. I'm sorry if this comes off as rude, but someone could catch you cheating.