I am sorry. I've forgotten ________ you that Miss Liu won't come. [ ]

A. to tell

B. telling

C. to have told

D. having told

巩膜扣带术后晚期的并发症是（）。

A.视网膜嵌顿

B.脉络膜脱离

C.眼内炎

D.黄斑前膜

E.眼前节缺血