He ran as fast as he could _____ to catch the early bus.

A．to hope。m

B．hope

C．hoping。m

D．hoped

牵引性视网膜脱离可见于（）

A.ROP

B.Eales病

C.糖尿病视网膜病变

D.视网膜中央静脉阻塞

E.眼球破裂伤