单选题:What is the function of the camera mentioned in Paragraph 4?

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  • 题目类型:单选题
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题目内容:
What is the function of the camera mentioned in Paragraph 4? A.It monitors the driver's eyes to see if he needs a rest.
B.It judges if the driver wants to pull over.
C.It judges if the driver wants to take a rest.
D.It issues an alarm when the driver speaks.

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