肝硬化侧支循环形成可造成严重的上消化道出血是指()

A．食道下段静脉丛曲张

B．食道上段静脉丛曲张

C．脐周静脉丛曲张

D．痔静脉丛曲张

E．以上均不是

To agree with larger scale chart, latitudes taken from this chart should be increased（）about 8 seconds.

A.with

B.in

C.by

D.to