_____ his lecture gives us a much better understanding of low-carbon economy.

题目

_____ his lecture gives us a much better understanding of low-carbon economy.
Listening to
Having listen to 我觉得 后一个更好 表示 在听过演讲之后 有了更好的理解
但是答案给的前一个 不懂.

答案

gives表示的应该不是听过之后,应该是一般现在时.
如果用having listen to的话,就应该不是gives了吧.