题目内容：
ConradandhisgroupofAIresearchershavebeenmakingenormouseffortsto
A．findaroundaboutwaytodesignpowerfulcomputers． B．buildacomputerusingaclevernetworkofswitches．
C．findouthowintelligencedevelopedinnature．
D．separatethehighestandmostabstractlevelsofthought．
参考答案：
答案解析：