【单选题】

When mentioning "thinking/acting cycles" (in Para. 4), the author is most likely to believe that
A．a manager analyzes a series of problems and then acts on that analysis.

B．a manager gathers data by acting and then observes the effects of action.
C．action and analysis in managerial practice invariably occur simultaneously.
D．a manager takes action, being able to clarify reasons for that action.