43. What is the main idea of the passage?
(A) A British phone company uses an AI chatbot to fight phone scammers.
(B) Many phone scams have been targeting vulnerable elders in recent years.
(C) Most scammers are fooled by older women on the phone.
(D) Virgin Media 02 is the first company to create a chatbot.
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統計: A(27), B(6), C(5), D(3), E(0) #3492451
統計: A(27), B(6), C(5), D(3), E(0) #3492451