—Believe it or not! I should get my lost wallet back after I left it in the taxi this morning.

—Couldn’t agree more! You know, someone _______ it. There are still good persons in Chongqing.

A．can have taken

B．might have taken

C．should have taken

D．must have taken

腹腔穿刺液中有大量中性粒细胞，革兰阴性杆菌。常见于（）

A.原发性腹膜炎

B.胃、十二指肠穿孔

C.阑尾炎穿孔

D.肝脾破裂

E.出血坏死性胰腺炎