Final answer:
The kind of hedge on the Halloran's property cannot be determined without more context or a specific reference source.
Step-by-step explanation:
Without additional context or reference to a specific text or source material, it is not possible to determine what kind of hedge was on the Halloran's property. The options given are boxwood, cypress, privet, but without a specific literary or historical reference, the correct answer would be cannot be determined. If this question pertains to a specific piece of literature, revisiting the text or source may provide the necessary clues to answer correctly.