_____ asleep _____ a knock at the door awakened her. [ ]

A. Scarcely had she fallen; than

B. No sooner did she fall; than

C. Hardly she had fallen; when

D. Hardly had she fallen; when

患者男性，20岁，双眼视力进行性下降5年。角膜透明，曲率增加，角膜深层见基质板层垂直性条纹，前房加深，临床怀疑圆锥角膜。

圆锥角膜典型的三联症是（）

A.Fleischer环、Vogt条纹、Arlt线

B.Vogt条纹、Arlt线、Munson征

C.Arlt线、Munson征、Herbt小凹

D.Fleischel环、Vogt条纹、Munson征

E.Fleischer环、Bitot斑、Munson征