白交通支进入交感干神经节后的三种去向不包括（）。

A.终止于相应的交感干神经节

B.在交感干内上升

C.在交感干内下降

D.直达支配脏器

English is a language that many people around the world _______ not speak perfectly but at least _______ understand.

A．might；could

B．will；must　

C．would；might

D．can；may