By mentioning Hal Varian, the author intends to state that______. A．his finding has aroused thinking and research on predictions based on Internet data B．his finding has predicted the increase of unemployment rate C．his finding has forecast the price fluctuation of certain products D．his finding has been highly valued by being published on newspaper
A. A．his B.his C.his D.his
【参考答案】
A 属逻辑关系题。通过题干中的人名H．V可迅速定位至文章第二段第三句，H．V的发现激发了人们利用网络进行预测的兴......