题目内容：
请在（5）处填写正确答案。
A．And they can return to the original place at the end of the day. B．He is thinking about starting a small business.
C．Farritor was "Inventor of the Year” in 2003.
D．Work on the idea began in 2002 using a National Academy of Sciences grant.
E．We replace that with a robot.
F．These robotic cones and barrels can move out of the way, or into place, from computer commands made miles away.
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答案解析：