The purpose of reading is comprehension — getting meaning from written text. ... A major goal of reading comprehension instruction, therefore, is to help students develop the knowledge, skills, and experiences they must have if they are to become competent and enthusiastic readers.
(if there aren't any options) it really just depends on your opinion, but to me it would have to be 1st person. it can also can be considered the most explanatory, but again that's only my opinion.
