单选题 The main message the author wishes to convey in the text is that.

A、 the issue of environmental governance is both complex and important
B、 environmental governance is a new issue on the horizon
C、 globalization is affecting the entire world
D、 in response to globalization, there are issues we need to deal with

【正确答案】 A

【答案解析】属主旨思想题。全文介绍环境治理正在经历变化，指出环境治理的复杂性和重要性前所未有。