治疗药物评价的目的：

A．为患者提供最佳的药物治疗

B．对上市药物的治疗效果进行评价

C．解决实际存在的用药问题

D．保障药品供应

E．减少发药差错

      all scientists from Asia.

A．Were present at the meeting

B．Present at the meeting were

C．Are present at the meeting

D．Present were at the meeting