2004年6月28日，中国国务院 * * 温 * * 就和平共处五项原则创立50周年同印度 * * 曼其汉·辛格互致贺电。中国第一次提出和平共处五项原则是在[ ]

A．中印谈判中

B．中缅谈判中

C．中苏谈判中

D．中越谈判中

For (1) service, we need a virtual-circuit subnet. Let us see how that works. The idea behind virtual circuits is to avoid having to choose a new  (2) for every packet sent. Instead, when a connection is established, a route from the  (3) machine to the destination machine is chosen as part of the connection setup and stored in tables inside the (4) .That route is used for all traffic flowing over the connection, exactly the same way that the telephone system works. When the connection is released, the virtual circuit is also terminateD. With connection-oriented service, each packet carries an  (5) telling which virtual circuit it belongs to.

空白（2）处应选择（）

A.processor

B.device

C.route

D.terminal