Dan Ciampa writes in "Almost Ready: How Leaders Move Up," that would-be CEOs too often fail to recognize that the qualities and skills they relied on in three categories to get to the number two position are different from those they will need to become CEO. These three categories of executive leadership and professionalism that they will be measured in are management savvy, political intelligence and _____________. a. industry knowledge b. board memberships c. client relationships d. community involvement e. personal style