1. **State the problem:** Determine whose reasoning is correct based on the information that birds are sensitive to nest disturbance and may abandon their nests if disturbed. 2. **Analyze Lorenzo's reasoning:** Lorenzo says his dad disturbed a nest, so it may be abandoned. This aligns with the information that disturbance can cause abandonment. 3. **Analyze Katarina's reasoning:** Katarina says there is an abandoned nest in the garden, so it must have been disturbed. This also aligns with the information, as abandonment implies disturbance. 4. **Conclusion:** Both Lorenzo and Katarina's reasoning are consistent with the information given. **Final answer:** C Both Lorenzo and Katarina