202 km Shanghai—Hangzhou high-speed railway, with       deign speed of 350 km per hour, began its operation on Oct 26,2010.

A．The; a

B．The; the

C．A; a

D．A; the

患者，男性，65岁，X线片、造影显示颞下颌关节盘穿孔，骨质破坏、吸收，关节盘不可复前移位。

其开口型最有可能会出现以下何种改变

A．开口型偏患侧
B．开口型偏健侧
C．开口型不偏
D．开口型歪曲
E．牙关紧闭