价值投资不是正面的？

问题如下：

Best-in-class investment:

选项：

A.

uses negative screening to exclude companies.

B.

refers to selecting companies that fall under a sustainability-related theme.

C.

involves selecting only the companies that overcome a defined ranking hurdle.

解释：

C is correct. The best-in-class approach involves selecting only the companies that overcome a defined ranking hurdle, thereby allowing portfolios to be constructed in a way that maintains desired index characteristics. Selecting companies according to a particular theme is referred to as thematic investment.