B) Foreign immigrant
Is the answer I believe
The correct answer is B) Voice
“About Mars” is the Adjective Phrase.
Adjective phrase describes “what kind of which ones”
So for example here
“After school, I looked for books about Mars.”
“About Mars” describes the kind of books so that makes it an Adjective phrase.
I hope this helps.
C. Unferth is jealous because the woman he loves want's Beowulf and not him.
If you take a look in the book you can very clearly tell that Unferth is jealous of Beowulf and twists the stories to make it sound like Beowulf isn't very heroic and things of that manner.
I think the correct answer is the third one, "I made the best brownies today!"
An unreliable narrator is a narrator whose credibility has been compromised. Since you can't tell if this narrator credibility has been compromised from a single sentence but need a whole text to develop such incredibility, I say this is unreliable because the narrator is giving its own opinion of something he/she has made, and you can't rely on he/she being imparcial.