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Question 128·Medium·Inferences

Several medieval illustrations depict a cloaked traveler carrying a staff topped with a small bell. Because town criers in many European cities used bells to attract attention, some viewers have identified the traveler as a crier. Cultural historian Mei Liao, however, notes that pilgrims often attached bells to their staffs to warn animals and signal their approach. The bell on the staff, therefore, _____

Which choice most logically completes the text?