It is generally accepted that ________ boy must learn to stand up and fight like ________ man.                                                     (2011·新课标全国，33)

A．a；a

B．a；the

C．the；the

D．a；/

诊断弥散性血管内凝血（DIC）最有意义的试验是（）

A.凝血酶原时间

B.血小板计数

C.血浆FDP和D-D定量测定

D.纤维蛋白原定量

E.APTT