Which excerpt from barrio boy by ernesto galarza develops the author's point of view?
"she strode to a door in the far corner of the office, opened it and called a name. a boy of about ten years appeared in the doorway. he sat down at one end of the table."
"half of the block was occupied by the lincoln school. it was a three-story wooden building with two wings that gave it the shape of a double-t connected by a central hall."
"like the first grade, the rest of lincoln school was a sampling of the lower part of town where many races made their home."
"during the next few weeks miss ryan overcame my fears of tall, energetic teachers as she bent over my desk to me with a word in the pre-primer."