已知NaHSO3溶液显酸性，溶液中存在以下平衡：
HSO3-+ H2O 
H2SO3 + OH- ①
HSO3- H+ + SO32- ②
向0.1mol·L-1的NaHSO3溶液中分别加入以下物质，下列有关说法正确的是
| A．加入少量固体NaOH，平衡①左移，平衡②右移，溶液中c(HSO3-)增大 |
| B．加入等体积等浓度Na2SO3溶液，则3c(Na+) = 2[c(HSO3-) + c(H2SO3) +c(SO32-)] |
C．加入少量NaOH溶液， 、 的值均增大 |
| D．加入氨水至中性，则2c(Na+) = c(SO32-)>c(H+) = c(OH-) |
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