帮我讲一下这个语法知识谢谢!

问题描述:

帮我讲一下这个语法知识谢谢!
But the Fusses weren’t the only folks in Alto and the neighboring town of Lowell to receive unexpected legacy from the Hatches.Dozens of other families (36)_____(touch) by the Hatches’ generosity.In some cases,it was a few thousand dollars; in others,it was more than $100,000.
答案were touched

通过语境来分析,很多家庭是通过the Hatches’ generosity被联系的,touch在语境里应该是联系,联络的意思,by引导的是一种方式,