常用治水火烫伤的药物是（）

A.地榆

B.白芷

C.白及

D.白蔹

E.侧柏叶

The number of the giant pandas in China is getting _________, but the red-crowned cranes are ___________.

A．more and more; more and more

B．larger and larger; fewer and fewer

C．less and less; smaller and smaller

D．smaller and smaller; fewer and fewer