In this section, you will hear one passage. At the end of the passage, you will hear four questions. Both the passage and the questions will be spoken only once. After you hear a question, you must choose the best answer from the four choices marked A), B), C) and D).A、The future effects of machine automation and AI.
B、The development of AI.
C、The problems caused by machine automation and AI.
D、The future of AI.