Which of the following is least likely a reason that investors should be skeptical of reported market anomalies（）

单项选择题An analyst gathered the following data about stocks J, K and L, which together form a value-weighted index:（）

A．4.2
B．132.1
C．106.80

单项选择题The January Anomaly, the neglected firm effect, and the book value market value ratio are studies examining which form of the EMH（）

A. Weak-form of the EMH.
B. Strong-form of the EMH.
C. Semistrong-form of the EMH.