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

东汉末年，被称为“建安三神医”的是华陀、董奉和哪位名医？（）

A.扁鹊

B.孙思邈

C.张仲景

D.叶天士