In the given dialogue, the correct verb to fill in the blank is "C. vend" which means "sell" in English.
Explanation:
1. In the dialogue, the first person is asking, "Elle sa volture?" which translates to "Is she selling her car?"
2. The response given is "Oui, elle en achète une neuve." which means "Yes, she is buying a new one."
3. Since the second person is mentioning buying a new car, it implies that the first person is selling her current car.
4. Therefore, the appropriate verb to complete the sentence is "vend" which means "sell" in this context.
By choosing option C, "vend," the dialogue makes sense as it conveys the idea of the person selling her car to buy a new one.
