An apposition is a relation between a word an a noun. Foe example "Rudolph red-nosed reindeer"
red-nosed is an apposition
Hope I helped!
I think it's likely to be B.
Answer: Kaasen and his dog were not tired. If Rohn were asleep, it would take time for him to get ready. They needed to get the serum to Nome as quickly as possible.
Explanation: Sample response from edge.