Which one of the statements is NOT correct about ceremonial address?( )

A、Ceremonialaddressisoftendeliveredonformaloccasions.
B、Thelanguageisoftenrefinedandflowery.
C、Nojokeswillbetoldatallsinceitisveryformalandserious.
D、Therearealotoffixedexpressionsinceremonialaddress.