在中央冷却系统中下列选项中用海水冷却的是（）。

A．滑油

B．增压空气

C．低温淡水

D．主机气缸套

After a cerebrovascular accident (CVA) a client develops aphasia. Which assessment finding is most typical in aphasia

A．Arm and leg weakness.

B．Absence of the gag reflex.

C．Difficulty swallowing.

D．Inability to speak clearly.