问题
单项选择题
More recent tests of the predictive content in Value Line rankings.（）
A. provide additional support for the semi-p form of the EMH.
B. provide less support for the semi-p form of the EMH.
C. provide additional support for the weak form of the EMH.
答案
参考答案：A
解析：
Recent tests have shown that despite there being some information content to the Value Line rankings, no profitable trading strategy can be devised after transaction costs are considered.