—Excuse me, where are we going to have our class?

—I'm not sure. Ask our monitor, please. He _____ know. [ ]

A. can

B. may

C. need

D. shall

有关肝硬化的CT表现，不正确的是（）

A.肝左叶及尾状叶增大较为常见

B.肝实质密度一般与正常肝无明显变化

C.肝表面凹凸不平，肝缘变钝

D.肝硬化再生结节CT动态增强扫描无明显强化

E.胃底部可见小球形或扭曲的条虫样影