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【单选题】
下列各组反应，前后均可用同一离子方程式表示的是（ ）A.
HCl+Na 2 CO 3 ，HCl+NaHCO 3
B.
H 2 S+NaOH，H 2 SO 4 +KOH
C.
HCl+Na 2 CO 3 ，H 2 SO 4 +K 2 CO 3
D.
BaCl 2 +Na 2 SO 4 ，BaCO 3 +H 2 SO 4
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