Which of the following statements is true about the cocktail party?

A、Nofoodisservedatacocktailparty.;
B、Thecocktailpartyisusuallyheldearlyintheafternoon.;
C、Thecocktailpartyisaveryformalsocialgathering.;
D、Cocktailreferstoanalcoholicdrinkconsistingofaspiritorspiritsmixedwithotheringredients,suchasfruitjuiceorcream.