Final Answer:
The fiesta in The Sun Also Rises occurs in a. Pamplona, Spain.
Step-by-step explanation:
Setting of The Sun Also Rises: The novel, written by Ernest Hemingway, features a significant portion set in various locations in Spain.
Pamplona, Spain: The fiesta, which is a central event in the narrative, takes place in Pamplona, Spain. This event is the San Fermín festival, renowned for the Running of the Bulls.
Cultural Significance: The fiesta in Pamplona is a pivotal moment in the novel, reflecting the cultural and social dynamics of the characters and providing a backdrop for their interactions.
Thus the correct option is A