read the excerpt below from A tree grows in Brooklyn and answer the question that follows

most children brought up in Brooklyn before the first world war remember Thanksgiving day there was a particular tenderness it was the day children went around Gaga muffin and slamming Gates wearing costumes topped off by a penny mask.

based on the excerpt what is the author's purpose in writing?

A. to inform
B. to persuade
C. to publish
D. to analyze ​