Which of the following statements about trading shares of stock or market efficiency is FALSE（）

A. Maintenance margin is the required percentage of an investor’s equity compared to the total value of the stock after the investor trades on margin.

B. The up tick rule requires that the last trade in the security be at a price higher than the previous trade.

C. External efficiency means prices adjust rapidly to new information.

隋唐时期，我国手法医学进入了又一次高潮，以下情况哪项是不正确的（）

A.按摩教育走上了正规

B.按摩临床和教学人员有了系列职称

C.按摩科有了明确的治疗范围，骨伤疗法隶属于按摩科

D.按摩有了明确的定义

E.出现了最早的小儿推拿专著