We can't see underlining here, but here, I think this will be helpful:
"I read a novel" would be the intependent clause: it does not need the other one to be complete.
"until the guests arrived" is the subordinate clause: it needs the independent, main clause to be complete.
No like is this a real question bro ? Lol
The correct answer would be A)
Answer:
i hope this helps!
Explanation:
A compound sentence contains at least two independent clauses. These two independent clauses can be combined with a comma and a coordinating conjunction or with a semicolon.
source: https://academicguides.waldenu.edu/writingcenter/grammar/sentencestructure