—Guess what, we've got our visas for a short-term visit to the UK this summer.
—How nice! You （）a different culture then.

A. will be experiencing

B. have experienced

C. have been experiencing

D. will have experienced

工程项目计划的实施是将所确定的项目目标变为具有一定的功能和特性的具有（）的工程实体。

A．实用价值

B．使用价值

C．经济价值

D．价值