西北地区某大学在我国下一代因特网(CNGI)示范网络的建设过程中，采用同时支持IPv6/IPv4的网络设备对原有校园网进行了升级改造，使得校园网平台同时支持两种业务流的承载和互通。但是该大学的部分区域目前暂时无法覆盖IPv6，对于这些区域的用户可以通过______技术，以最少的配置改动而使其能访问IPv6网络中的资源。

A．双协议栈
B．NAT-PT
C．IPv6隧道
D．VTP中继

M: It’s already 11:00 now. Do you mean I ought to wait until Prof. Bloom comes back from class
W: Not really. You can just leave a note. I’ll give it to her later.
Q: What does the woman mean().

A. She isn’t sure when Professor Bloom will be back.

B. The man shouldn’t be late for his class.

C. The man can come back sometime later.

D. She can pass on the message for the man.