(单选题)
According to the first two paragraphs, the decline of high-speed trading firms is characterized by ( )。
A.struggling to make any profits
B.the shrink of stock trading market
C.the reduction of profits and employee numbers
D.no longer being active in the nation's stock market
参考答案:C
知识点:细节题 英语 阅读理解 金融业务 模考估分