．－Can you keep an eye on my bag, please? I want to use the bathroom．

－         It’ll be safe with me．

A．All right,

B．come on

C．Go ahead．

D．Help yourself

汤剂的特点是

A．制作简便，吸收快，节省药材，便于服用与携带
B．吸收较慢，药效持久，节省药材，便于携带与服用
C．崩解、溶散快，吸收、作用快，易于吞服
D．吸收快，能迅速发挥药效，并可随证加减
E．体积小，含量多，服用剂量少