261. The players of China won 150 gold medals in Pusan Asain Games of 2002. Our players _____ to be very great.

A．are proved

B．did prove

C．were proved

D．was proved

首关消除是指（）

A．舌下含化的药物，自口腔粘膜吸收，经肝代谢后药效降低

B．肌肉注射吸收后，经肝药酶代谢后，血中药物浓度下降

C．药物口服后，胃酸破坏，使吸收人血的药量减少

D．药物口服吸收后经肝代谢而进人体循环的药量减少

E．以上都是