Um.. what is sentence 8 and 9 about ?
1. Is B because they not talking about a specific gorilla
Yes it is a run-on sentence. You are supposed to put a period at the end of world “world”.
Unqualified opinion-clean report.
Qualified opinion-qualified report.
Disclaimer of opinion-disclaimer report.
Adverse opinion-adverse audit report.
From the exhaustive list of choices, I think the best answer is effrontery which has a definition of insolent or impertinent behavior. Among all of the choices, the definition of this word is what completes the thought of the sentence.