— I think George doesn't really like TV plays.

— _____ he still watches the programme.[ ]

A. But

B. For

C. Or

D. So

燃气管道气密性试验，压力应根据管道设计输气压力而定，当设计输气压力户＜5kPa时，试验压力为（）。

A.20kPa

B.10kPa

C.15kPa

D.25kPa