They live in a beautiful village, with many trees and flowers _______ it.

A．surrounded

B．surrounds

C．surrounding

D．to surround

腌肉能存放长久的原因是（　　）

A．腌肉内水分少

B．腌肉上的细菌繁殖速度很慢

C．腌肉内的盐分对细菌有毒杀作用

D．腌肉上的细菌体内水分被浓盐水夺去