The explorer traveled to several remote villages, _____a lot of unusual information.

A．gathering

B．having gather

C．to gather

D．gathered

肝方叶与尾状叶的分界标志（）

A.静脉韧带

B.门静脉左支矢状段

C.门静脉左支横段

D.肝左静脉

E.肝圆韧带