--The weather has been very hot and dry.

--Yes. If it had rained even a drop, things would be much better now! And my   vegetables   .

A．wouldn't die

B．didn't die

C．hadn't died

D．wouldn't have died

美容院对声响的要求应保持（）。

A.安静

B.干净

C.明亮

D.热闹