The three categories of a firm's statement of cash flows are ________. A. cash flow from operating activities, cash flow from noncash activities, and cash flow from financing activities B. cash flow from operating activities, cash flow from investment activities, and cash flow from noncash activities C. cash flow from equity activities, cash flow from investment activities, and cash flow from financing activities D. cash flow from operating activities, cash flow from investment activities, and cash flow from financing activities