IP multicasting is a set of technologies that enable efficient delivery of data to many locations on a network. Rather than making multiple copies of a message intended to be distributed to multiple recipients at the (71) of origin of a message, multicasting initially sends just one (72) and does not copy it to the individual recipients until it reaches the closest common point on the network, thereby (73) the bandwidth consumed. Network performance is significantly (74) because it isn’t bogged down with the processing and transmission of several large data fries; each receiving computer doesn’t have to (75) the transmitting server for the file.

A．point

B．bottom

C．head

D．sight

《刑诉解释》规定，涉外刑事案件审判期间，人民法院应当将相关事项及时通报同级人民政府外事主管部门，并通知有关国家驻华使、领馆。请回答下列问题：

关于通知事项，下列说法正确的是：（）

A.采取强制措施的情况

B.庭审的相关事宜

C.宣判的时间、地点

D.被限制出境的人在审理终结前不得离境