In the southern part of America, when somebody has a birthday, often family or friends, or both, will arrange a party. The party could be elaborate and include a meal or may be simple with a birthday cake and drinks. One does not plan, nor give, one's own birthday as is the custom in some cultures. At a party there is usually a decorated cake, often with the words "Happy Birthday" and with the name of the person written on the top of the cake. Sometimes there is also one candle for each year of the person celebrating the birthday before the cake is cut. While blowing out the candles, the person makes a wish for something pleasant. Usually those invited to a birthday party will bring a gift for the person honored. Gifts given by friends do not have to be expensive, but the family of the birthday person will spend whatever they can afford on a gift. Christmas parties also are very popular in the South. Often this is the only time during the year that some people see acquaintances . These parties can be elaborate or simple, ranging from a buffet to a reception called "open house  ". If you are invited to one of these, you don't need to take a Christmas gift, as it is not customary to take the hostess a gift every time you are invited to a party or a meal. However, if you wish to take a gift, it should only be something useful and inexpensive and should be given to the hostess at the door as you enter the party. Usually gifts of Christmas food treats are the most appreciated. In southern America, birthday parties are often arranged by   _  .
friends oneself family Both A and C