下列哪个系统是以实验室为基础的监测系统（）

A.法定传染病报告系统

B.出生缺陷监测系统

C.流行性感冒监测系统

D.医院内感染监测系统

E.疾病监测点监测系统

—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