(2013·江西，19)Marco Polo is said to have sailed on ________ Pacific Ocean on his way to Java in ________ thirteenth century.

A．the；a

B．a；/

C．/； the

D．the；the

患者，男性，农民，右眼被谷粒弹伤，视物模糊1个月就诊，检查右眼视力O.5，轻度充血，角膜有黄白色病灶，污秽感，角膜轻微水肿，前房积脓1mm。

（如图）该病最可能的诊断是（）

A.铜绿假单胞菌性角膜溃疡

B.蚕食性角膜溃疡

C.真菌性角膜溃疡

D.病毒性角膜溃疡

E.匐行性角膜溃疡