将人员的选拔、使用、考评和培训作为紧密联系的整体，在使用中加强培训与考评（）.

A.职务要求明确原则

B.责权利一致原则

C.公平竞争原则

D.用人之长原则

E.系统管理原则

My friend Martin was very sick with a strange fever; ________， he could neither eat nor sleep.[ ]

A．moreover  

B．however

C．as a result  

D．furthermore