The focus of this topic lies in the familiarity with the "business process of company acquisition". Target company pricing generally adopts cash flow method and comparable company value pricing method. Cash flow method, also known as cash flow discount method, is a theoretical method. Comparable company value pricing method is to find out several listed companies similar to the target company in terms of products, market, recent profitability and future growth, and evaluate the value of the target company with reference to its operating effect indicators. So, the correct answers to this question are A and C.