We will see to ______ that the L/C is opened within the stipulated time.

A．it

B．them

C．make

D．let

胸痹，心中痞气。气结在胸，胸满，胁下逆抢心……治宜何方（）

A.乌头赤石脂丸

B.瓜蒌薤白白酒汤

C.瓜蒌薤白半夏汤

D.枳实薤白桂枝汤

E.人参养营汤