The Olympic Games, _____ in 776 B.C, did not include women players until 1912.[ ]

A. first played

B. to be first played

C. first playing

D. to be first playing

网络延时包括传播延时、发送延时、排队延时、处理延时、以及 【19】 延时，取决于传输距离、速率、缓存队列长度、处理器芯片、以及网络负荷量。