The British are not so familiar with different cultures and other ways of doing things, ___________ is often the case in other countries

A．as

B．that

C．so

D．it

腹部闭合性损伤，出现下列情况应考虑有内脏损伤（）

A.有早期休克征象

B.肝浊音界消失

C.持续性剧烈疼痛

D.有呕血或黑粪

E.以上都不对