No sooner _________ to school _________ the bell for the first class began this morning.

A．had I got; when

B．I had got; than

C．had I got; than

D．did I get; when

属于清热（犀角）地黄汤的药物是：（）

A．玄参、丹参

B．黄芩、黄柏

C．丹皮、芍药

D．石膏、知母

E．竹叶、芍药