He was told that   10:15 flight would take them to Shanghai in time to reach   Fudan University.

A．the; /

B．the; a

C．a; the

D．/; the

鉴别非典型苯丙酮尿症，需进行（ ）。

A．guthrie细菌生长抑制试验

B．尿蝶呤分析

C．尿有机酸分析

D．尿三氯化铁试验

E．尿2,4-二硝基苯肼试验