肌瘤失去其原有典型结构时称为肌瘤变性。不是肌瘤常见变性的是（）

A.玻璃样变

B.钙化

C.囊性变

D.红色变

E.肉瘤变

(2013·福建，30)—Do you think George has passed the driving test?

—No.If so，he ________ his car to our college yesterday.

A．would drive

B．drove

C．would have driven

D．had driven