What does the statement" from school uniform to wedding dress" mean? ()

A、Itmeanslovestartswhentheywearschooluniformsandlastuntilgettingmarried.
B、Itmeanstheloversgotmarriedwhentheywereatschool.
C、Itmeansmiddleschoolstudentscangetmarriedaftertakingofftheirschooluniform.
D、Itmeanstheloveislastingfromtheschoolingperiodtoenteringsociety.