Which of the following statements regarding passive ESG investments is most accurate?
A ESG datasets lack history, comparability, and regional breadth.
B They likely have a lower fee structure compared to other passive strategies.
C Single-factor strategies weight an index towards a style factor without screening for companies that perform better an ESG metrics
A看起来是对的 B中理解整合ESG的被动投资是花费更多的，但我对于主被动投资及engagement的花费有一些混乱
C 不是太理解
谢谢。
