.

The building burnt down in a big fire. _________was the base on which it stood.

A．What remained

B．All remained

C．What was remained

D．All what remained

不符合镫骨性耳硬化特征的是（）

A.也年龄不相符的传导性聋

B.咽鼓管功能良好

C.Gelle试验阴性

D.影像学检查发现迷路或内耳道骨壁上有增生区

E.As型鼓室导抗图