Look at these pictures carefully, and decide which sentence is right.

A. Coke is as cheap as orange juice.

B. Milk is cheaper than orange juice.

C .Orange juice is not so cheap as coke.

关于卤素的下列叙述正确的是（   ）

A．卤素是典型的非金属元素，因此不能与其他非金属元素化合

B．卤素各单质都能与水发生剧烈反应

C．卤化银都是白色固体，既不溶于水，也不溶于稀硝酸

D．卤素单质都能与钠反应生成钠的卤化物