It depends on which word is underlined.
If the underlined word is <em>boat, </em>then it is used as A. predicate nominative in this sentence.
A predicate nominative is a noun following a copulative/linking verb.
The linking verb in this sentence is <em>is, </em>and the noun following it is <em>boat. </em>
Comparison words: Same, Similar, alike, as well as...
Contrast words : Different, on the other hand, opposed to...
Answer:
I try to speak but
My mind is deep in thought
They're calling me back to earth like I'm an astronaut
[someone who spaces out often]
or
I don't hate you
I just need some time alone
I'm sorry I can't stay
I'd rather be at home
[introverted]
<span>Peter's fidgeting with his pen-knife and Clarissa's use of her scissors during the conversation symbolize that they both have some aggression towards each other and their default way to converse is defensive.
</span><span>The description of Peter's thoughts suggests that he disapproves of Clarissa's lifestyle. --It is clear that Peter does not think Clarissa is doing anything worthwhile, and is judging her actions harshly compared to thinking of himself and his accomplishments very highly. </span>