Attention, please. Sorry to tell you the flight has to be ______because of the heavy snow.

A．put away

B．put up

C．put off

D．put on

关于脂肪肝的CT表现，错误的是()

A．肝密度低于脾脏密度即可诊断为脂肪肝

B．肝岛是脂肪肝内残留的正常肝

C．重度脂肪肝血管呈高密度影

D．脂肪浸润可累及肝的两叶、一叶、一段

E．脂肪肝增强后密度高于脾增强密度