The students respect their head teacher       ，although she is strict，she is fair．

A．since

B．for

C．that

D．because

治热陷心包之高热神昏谵语，首选（）

A.黄连、连翘

B.牡丹皮、芦根

C.知母、石膏

D.赤芍、龙胆

E.银柴胡、胡黄连