We held a party on Christmas Eve at a hall with colourful balloons and flowers.
A. to decorate
B. decorating
C. decorated
D. being decorated
网友回答
A. to decorate
B. decorating
(答案→)C. decorated
D. being decorated
解析：考查非谓语动词。be decorated with装饰，在句中作定语，选C。