Last Sunday I had a good time _________ volleyball with my friend Alan. [ ]

A. play

B. to play

C. playing

D. played

根据《机动车交通事故责任强制保险条例》规定解除保险合同时，保险人应按标准计算退还被保险人保险费，其中包括从中提取的道路交通事故社会救助基金部分。