— Hi, Terry, can I use your computer for a while this afternoon? 

— Sorry. _____. [ ]

A. It's repaired

B. It has been repaired

C. It's being repaired

D. It had been repaired

中压容器装设的压力表精度应（）。

A.不低于2.5级

B.不低于1.6级

C.低于2.5级