题目

Researchers from the Institute for Human Ma succeeded in training a 165-pound human-like robot, called Atlas, to move across narrow blocks using a system called LIDAR.At first sight, a robot walking across several blocks may look like a simple thing but many actions that humans can do easily are difficult for robots as heavy as Atlas.Our joints （关节） and a natural balance system allow us to deal with different obstacles （障碍）easily. Besides, our small, narrow feet allow us to move around tight obstacles easily, or step over obstacles, while supporting ourselves.With atlas, LIDAR 成语“黔驴技穷”中的黔是指（　　） A、陕西省B、四川省C、贵州省D、河南省