Answer:
1B.) were, would've offered
2B.) hadn't behaved, wouldn't be
3A.) you have chosen, had
4B.) had, would do
5B.) had studied, wouldn't have failed
6B.) told, would of been
7B.) would've came, invited
If you mean an adverb clause, I'd say your answer is D. Adverb clauses typically begin with a subordinating conjunction like because, after, if, or although.
C. think of “sensory detail” as imagery. which one gives you the most vivid picture when you read it
