48. Under the U.S. Department of Transportation's 2025 AV policy, what key aspect is emphasized?
(A) AVs must include features to alert pedestrians of their presence
(B) AV manufacturers must ensure systems meet transparency and accountability standards
(C) Only electric AVs are allowed to operate in city centers
(D) Human drivers must remain in control at all times
(E) AVs must be equipped with multilingual voice assistants
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統計: A(1), B(13), C(1), D(1), E(1) #3484433
統計: A(1), B(13), C(1), D(1), E(1) #3484433