这道题的核心逻辑是不是抓主要矛盾

问题如下：

Alex is a corporate bond analyst at AVX Investment Management and is responsible for a £4 billion portfolio of utility bonds with a range of credit ratings and ESG scores. He has been directed to engage with all the utility companies, whose bonds TBD holds, on their plans to reduce carbon emissions.Using the PRI’s guide for ESG engagement, Alex should start with the

选项：

A.Largest holdings with high credit ratings. B.Largest holdings with low ESG scores. C.Smallest holdings with low credit ratings. D.Smallest holdings with high ESG scores.

解释：

Alex是AVX投资管理公司的公司债券分析师，主要负责的是公用事业债券投资组合。他被指示与所有的公用事业公司(TBD持有这些公司的债券)接触，讨论它们减少碳排放的计划。根据PRI的ESG参与指南，投资者在engagement时，应该优先考虑持有比例大，信用质量较低，ESG评分较低的发行人。因此Alex应该从持有ESG分数低且持有比例最大的着手（B选项正确）。