C
The dreariness of the speaker’s life away from Innisfree
1. They help the setting become more realistic.
2. They could even help the main character on stage feel less anxious, since they're not the only one up there.
The reign of the French King Louis XIV (reigned 1643-1715) has long been considered the best example of absolutism. In fact, during the 17th century, many other European monarchies imitated the French system. For instance, King Louis XIII was only a child when he ascended to the throne.
D. The boat was too far away for the Coast Guard to reach the child.