Read the excerpt from "Flowers for Algernon."

I tryed hard but I only saw the ink. I told him maybe I need new glases. He rote something down on a paper and I got skared of faling the test. I told him it was a very nice inkblot with littel points all around the edges. He looked very sad so that wasnt it. I said please let me try agen. Ill get it in a few minits becaus Im not so fast sometimes.

What does the reader understand about Charlie that he doesn’t understand about himself?

Charlie has an over-active imagination.
Charlie is faster than he thinks he is.
Charlie only sees things exactly as they are.
Charlie is unable to recognize common images.