单项选择题
A. retailers and manufacturers are happy to oblige
B. there’s money to be made, for sure
C. back-to-preschool has become a very important season for retailers
D. it used to be preteens or teens who had to have this stuff
E. many preschoolers have their own favors
F. when your parents can’t afford these oh-so-trendy stuff
G. if your child wants the one with an oh-so-trendy ballerina embroidered on it
H. many parents actually don’t like back-to-school period