Narrow and gentle are the predicate adjectives that modify Missouri
The answer is B, The relative pronoun is that; it functions as part of the adverb clause.
D.A border Collie is a very energetic dog.
1. She had a puppy called Cutie
2. The novel was based on real events and told the stories of two soldiers.
3. The worker got was sacked by the manager and felt very sad.