Which passage from barrio boy develops the author's point of view?

a. she strode to the doorway in the far corner, of the office, opened it and called a name. a boy about 10 years old appeared in the doorway. he sat down at the end of the table

b. like the first grade, the rest of lincoln school was sampling a lower part of town where many races made their home.

c. 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.

d. half of the book 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.