It ____in this new hall ____ was just set up last month ________ we held an important meeting yesterday.

A．is; which; that

B．was; which; what

C．is; that; which

D．was; which; that

中心线向足侧倾30°～35°的摄影体位是

A．头颅正位
B．汤氏位(Towne's)
C．颅底颌顶位
D．视神经孔轴位
E．颈静脉孔颏枕位