**Dialogue:**
Clara: Buenos días. El verano pasado estuve en Cuba.
Ruth:
Clara: Acampé en la tienda de campaña.
**Correct question option to complete the dialogue:**
- ¿Dónde acampaste?
**Explanation:**
In the given dialogue, Clara mentions that she was in Cuba last summer and camped in a tent ("Acampé en la tienda de campaña"). To continue the conversation logically, Ruth would likely ask where Clara camped, which makes the question "¿Dónde acampaste?" the most appropriate option to complete the dialogue. This question directly follows Clara's statement and seeks additional information about her camping experience in Cuba.