为什么选C啊

问题如下：

_______ investing is the umbrella term used to describe investment strategies that incorporate environmental, social, and governance (ESG) factors into their approaches.

选项：

A.

ESG

B.

Sustainable

C.

Responsible

解释：

C is correct. Responsible investing is the broadest (umbrella) term used to describe investment strategies that incorporate environmental, social, and governance (ESG) factors into their approaches.