______, I think, and all the problems could be settled.

A．If you make more efforts

B．Making more efforts

C．A bit more effort

D．To have made more efforts

格林-巴利综合征，最常受累的脑神经是

A．一侧面神经
B．双侧面神经
C．动眼神经
D．三叉神经
E．双侧舌咽、迷走神经