A declarative sentence is a statement that ends with a period. It states facts or an opinion and lets the reader know something specific. All of these sentences were declarative.
Imagery (D) is used to inspire an audience.
The primary conflict in the Colomber by Dino Buzzati was when Stefano wanted to be a sea captain but cannot because of a belief that those who saw Colomber is doomed to death.
He was not able to pursue his passion because of his and his father's fears.
---Meerkat18