What does being poor mean to Yollie and her mother

Which sentence is written using formal language? a) erin has a crucial appointment early monday morning. b) that was a real bogus tale charlie told the teacher. c) let me have a sneak-peak or i am simply gonna explode. eliminate d) i do not think tim will be here today; he's playing hookie.

Can someone me answer this english question

What is the best statement about carl sandburg poetry?