单项选择题The manager of the Fullen Balanced Fund is putting together a report that breaks out the percentage of portfolio return that is explained by the target asset allocation, security selection, and tactical variations from the target, respectively. Which of the following sets of numbers was the most likely conclusion for the report()
A. 90%, 6%,4%.
B. 50%,25%,25%.
C. 33%, 33%, 33%.