39.有一重度低渗性脱水腹泻患儿,第一日补液量应为:()
A.180~200mg/kg,1/2张含钠液
B.120~150mg/kg,2/3张含钠液
C.150~180mg/kg,1/3张含钠液
D.150~180mg/kg,2/3张含钠液
E.180~200mg/kg,1/2张含钠液