An analyst does research about various companies and stocks. A company has experienced stable earnings over the previous years and the company has a high beta. These factors best describe a:

A. cyclical company and a defensive stock.
B. defensive company and a cyclical stock.
C. defensive company and a defensive stock.

发电机定子绕组发生接地故障时，故障点的零序电压值与故障点距中性点的距离成反比。