题目内容：
回答题：An Intelligent Car Driving needs sharp eyes, keen ears, quick brain, and ______ (51) between hands and the brain. Many human drivers have all these and can control a fast-moving car. But how does an intelligent car control itself?
There is a virtual driver in the smart car. This virtual driver has “eyes”, “brains”, “hands” and “feet”, too. The minicameras______ (52) each side of the car are his “eyes”, which ______ (53) the road conditions ahead of it. They watch the traffic to the car’s left and right. There is also a highly______ (54) driving system in the car. It is the built-in computer, which is the virtual driver’s “brain”. His “brain” calculates the speeds of ______ (55) moving cars near it and analyzes their positions. ______ (56) on this information, it chooses the right path for the intelligent car, and gives______ (57) to the “hands” and “feet” to act ______ (58). In this way, the virtual driver controls his car.
What is the virtual driver’s best advantage? He reacts quickly. The minicameras are ______ (59) images continuously to the “brain”. It ______ (60) the processing of the images within 100 milliseconds. However, the world’s best driver ______ (61) needs one second to react. ______ (62), when he takes action, he needs one more second.
The virtual driver is really wonderful. He can reduce the accident ______ (63) considerably on expressways. In this case, can we let him have the wheel at any time and in any place? Experts ______ (64) that we cannot do that just yet. His ability to recognize things is still ______ (65). He can now only drive an intelligent car on expressways.
A．coordination
B．cooperation
C．compensation
D．condition
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