结肠癌最容易扩散至（）

A.肾门、主动脉旁淋巴结组

B.门腔间隙、腹腔干周围淋巴结及所在脏器周围淋巴结组

C.肠系膜根部淋巴结

D.髂区、骶前淋巴结组

E.下腔静脉、腹主动脉周围淋巴结

A ______ person always tries to finish the job, no matter how hard it is.

A．stubborn

B．determined

C．reliable

D．remarkable