asked是主动语态而was asked是被动语态。

这是它们的最大区别。比如I asked her which one was right.意思是我问她哪一个是对的。这里asked是谓语，表示的是主语我在问。而I was asked which one was right.意思是我被问到哪一个是对的。这里was asked表达的是被问的意思。