Why does ernest hemingway use vague pronouns and simple language?

Which inference can a reader make based on the information in the excerpt?

What is the metaphor used for captain beatty? what is he being compared to?

Read the paragraph. we heard music coming from the auditorium so we crept up to the door in peaked in. i couldn’t believe my eyes! a group of dancers were on stage in the most beautiful costumes i have ever seen. i looked at mabel and she looked back at me with the same expression. our eyes were wide with joy and wonder. which point of view does the narrator use