There was aware of her true love, at length come riding by - This is a couplet from the Bailiff's Daughter of Islington. What figure of speech is used by the poet?

There was aware of her true love, at length come riding by - This is a couplet from the Bailiff's Daughter of Islington. What figure of speech is used by the poet?

1. Metaphor
2. Synecdoche
3. Euphemism
4. Irony