张某，慢性肾小球肾炎多年，查血气pH值、[HC03-]、PC02均有不同程度下降，输入下列哪种液体有助于维持其水电平衡

A．水解白蛋白

B．25%山梨醇

C．低分子右旋糖酐

D．5%碳酸氢钠

E．复方氯化钠

— I don’t feel like going to the sports meet next week. There are too many excellent athletes.

— It is foolish of you to _______ trying.

A．give in

B．give up

C．give off

D．give away