NO.PZ2024021802000096
问题如下：
Which of the following approaches are used to integrate ESG factors into the portfolio management process?
选项：
A.Rule-based approaches only
B.Fundamental portfolio approaches only
C.Both rule-based approaches and fundamental portfolio approaches
解释：
C. Correct because ESG integration will take different forms based on the types of investment strategy. including both rules-based and fundamental portfolio approaches. Discretionary ESG investment strategies most commonly take the form of a fundamental portfolio approach. Systematic investment strategies are, broadly speaking, rule-based approaches that use the statistical application of financial and/or nonfinancial factors to drive security selection.
这题不理解，请解释说明。
