链激酶属（）

A.体内抗凝血药 

B.体外抗凝血药 

C.体内、外抗凝血药 

D.抑制纤维蛋白溶解药 

E.促进纤维蛋白溶解药

Although many people thought the former advice was valuable for us,personally I prefer

             .

A．the latest

B．the latter

C．last

D．later