小脑幕切迹疝致对侧锥体束征是因为

A．疝内容物压迫脑干

B．疝内容物压迫大脑脚

C．病灶压迫大脑皮层

D．病变压迫导水管

E．病变压迫小脑半球

“有效期限；签发日期；运输方式”正确的翻译为( )。

A．valid period; date of dispatch; means of transport
B．departure time, issuing date; means of conveyance
C．departure time; date of dispatch; means of conveyance
D．valid period; issuing date; means of transport