This computer is of good quality. If it ___________ break down within the first year, we would repair it at our expense.

A．would

B．could

C．should

D．might

干式电抗器本体整体或局部出现温度异常升高，开展（）类检修，进行相应的诊断性试验，根据试验结果开展相应工作。

A.A

B.B

C.C

D.D