-The trip shouldn’t take more than an hour.  

-_______. It is at least two hours.   [ ]

 A. I guess so    

B. That’s it    

C. You must be joking

D. It depends

胆汁的产生及排出途径是

A．胆囊有产生、贮存和浓缩胆汁的功能

B．胆汁经肝管、肝总管、胆囊管排入十二指肠

C．胆汁由胆囊产生，经胆囊管、胆总管排入十二指肠

D．胆汁经胆囊管、肝管、胰管、胆总管排入十二指肠

E．胆囊内胆汁经胆囊管、胆总管、肝胰壶腹、十二指肠大 * * 进入十二指肠