C empathetic because u think that is right
Relative clauses are types of dependent clauses complete independent sentences - they usually refer to a single word and modify them. Here, in this excerpt, the relative clause would be that we can see in nature. Relative clauses usually begin with pronouns such as who, what, that, etc.
C. This stage introduces the main characters, setting, and initial conflicts of the story.
Somalia, situated in the Horn of Africa, lies along the Gulf of Aden and the Indian Ocean.