Some members went so wild that they strongly demanded to know why they had been kept____ the true facts until the present stage．

A．in view of

B．in favor of

C．in place of

D．in ignorance of

患者缺失，拟制作弯制支架，塑料基托义齿活动修复。

对于有后牙缺失的可摘局部义齿，在雕刻蜡牙时应注意牙冠形态的好坏，主要取决于（）。

A．颊面形态

B．舌面外形

C．外展隙

D．颈曲线

E．面形态，基托形态