问题如下:
Following are statements about semi-strong form of market efficiency, which one is most accurate?
选项:
A.The historical patterns in security prices are examined by empirical tests.
B.Security prices reflect all publicly available information.
C.Not all semi-strong-form efficient markets are weak-form efficient.
解释:
B is correct.
Security prices reflect all publicly known and available information in semi-strong-form efficient markets.
请问一下A是什么意思?为什么不对呢?