C) Their ignorance of behavioural science.

C）他们对于行为科学的无知。

Behavioural science is beginning to add evidence to what religions have long understood - virtue develops best in relational communities.

行为科学不断有证据表明各宗教很久以前就已经理解的问题——道德在关系社会中发展得最快。

And it's actually based on behavioural science research!

它实际上是基于行为科学研究！

There are now more than 200 " nudge" units around the world, teams that specialise in applying behavioural science to everyday life.

现在全世界有200多个“助推”单位，专门将行为科学应用于日常生活的团队。