I'd say split infinitive!
i say this because <span>the infinitive, "to leave," is split into two by "quietly."</span>
i think the sentence should say. "I whispered the instructions to leave the building quietly."
Really, it depends on the reliability and trust with the vendor. The bussiness world is tough and it is hard to find people you can trust. So when making a deal, that is a big, if not the biggest key factor.
A has the most correct punctuation
Although Mr. White had given in to Mrs. White's pleading to make a second wish on the monkey's paw to bring Herbert back, when he does not return immediately, Mr. White becomes suspicious. ... In an attempt to bring her deceased son back from the grave, she demands that her husband wish for Herbert to come back to life.
