患儿6个月，腹泻水样便，每天10余次。为稀水样便，今日病儿昏睡，呼吸深快，尿量极少，查体：四肢厥冷，二氧化碳结合力8mmol/L，血钾4.0mmol/L，血钠：140mmol/L

首批应输入下述哪种混合液

A．1:1含钠液

B．1:2含钠液

C．2:3:1含钠液

D．2：1含钠液

E．4:3:2含钠液

He stared at the empty bottle for a while, feeling happy that he had sent the butterfly back ________ it belonged-nature. [ ]

A. to which  

B. that

C. which  

D. to where