She ＿＿＿＿＿ to the office than she got down to writing the report.

A．has no sooner got

B．had hardly got

C．no sooner got

D．had no sooner got

患者，女，18岁，自幼眼斜，检查见：视力右1．0，左0．1，+3．00DS+2．00DC×80=0．1诊断为共同性内斜视。

两次手术要相隔一段时间的原因是（）

A.稳定斜视度数

B.预防眼前节缺血

C.防止瘢痕形成

D.预防眼心反射

E.防止肌肉滑脱