--- Journalists have to work very quickly in order to_______.

--- I know. I like that. It’s very challenging.

A．meet their deadlines

B．earn a high salary

C．avoid being fired

D．make both ends meet

女，6岁，头痛，CT示小脑蚓部有一3cm×3．5cm高密度影，明显增强，四脑室受压变窄，前移，幕上脑积水。最可能的诊断为（）。

A.髓母细胞瘤

B.脑膜瘤

C.脉络丛 * * 状瘤

D.脑结核

E.血管网状细胞瘤