________for us to discuss the problem again.It has already been settled.[ ]

A．It has no doubt  

B．There has no doubt

C．It is no need  

D．There is no need

病例：张某，3分钟前不小心被风砂进入眼，疼痛、畏光流泪而急诊作为角膜浅层异物，除无菌操作以外，应在操作中着重注意哪一项（）

A.滴表麻药

B.灯光要充足

C.嘱患者不要转动眼球

D.在放大镜或显微镜下彻底清除异物，少损伤组织

E.涂抗菌素眼药膏包眼