题目内容
（请给出正确答案）
[主观题]
听力原文：W: Can you show me how to use this, John？M: It is fully automatic. All you have t
听力原文：W: Can you show me how to use this, John？
M: It is fully automatic. All you have to do is focus on the scene and press the button here.
Q: What are they talking about？
(16)
A．How to use a camera.
B．How to use a washer.
C．How to use a keyboard.
D．How to use a tape recorder.
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