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19. What is the author's view on "real-time location sharing"?
(A) It is a helpful tool for keeping others informed of your safety.
(B) It is an unnecessary invasion of a traveler's personal privacy.
(C) It is only required when traveling in high-risk war zones.
(D) It is a feature that often drains the phone's battery too quickly.
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統計： A(27), B(7), C(3), D(0), E(0) #3891948
統計： A(27), B(7), C(3), D(0), E(0) #3891948
