下列有关肝肾综合征的叙述不正确的是（）.

A.肾动脉造影示肾血管收缩，肾脏病理无明显异常

B.肝移植治疗有效

C.预后不好

D.其肾脏可移植给慢性肾衰竭的患者

E.持续扩容治疗效果好

With so many different forms of poetry ______, students may eventually want to write poems of their own.

A．choosing from

B．chosen from

C．to choose from

D．to be chosen from