Read this excerpt from Chapter 7, The Narrative of the Life of Frederick Douglass and answer the question. In this way I got a good many lessons in writing, which it is quite possible I should never have gotten in any other way. During this time, my copy-book was the board fence, brck wall, and pavement; my pen and ink was a lump of chalk. With these, I learned mainly to write.

What is Douglass' explicit meaning in the excerpt?

A. He learned to write
B. He misses school
C. He learned from life
D. He likes school