It’s good to give our seats _________ the bus ________the __________.

A．in; for; old

B．on; to; elderly

C．in; to; eld

D．on; to; young

感染后全身的炎症反应表现为

A．充血

B．水肿

C．功能障碍

D．体温升高

E．血白细胞计数增加