Read the excerpt from Narrative of the Life of Frederick Douglass. In the same book, I met with one of Sheridan's mighty speeches on and in behalf of Catholic emancipation. These were choice documents to me. I read them over and over again with unabated interest. They gave tongue to interesting thoughts of my own soul, which had frequently flashed through my mind, and died away for want of utterance.

In this paragraph, what connotation does "choice” have?

A:difficult to understand
B:a selection or decision
C:an expensive object
D:of very good quality