某温度下，向100g饱和澄清的石灰水中加入5.6g生石灰，充分反应后，恢复到原来温度，下列叙述正确的是'j0p/v0u(z6P:r9l4i+l7R1U8e.d:W
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A．固体不溶物的质量为7.4g'j0p/v0u(z6P:r9l4i+l7R1U8e.d:W
B．所得溶液为氢氧化钙的不饱和溶液'j0p/v0u(z6P:r9l4i+l7R1U8e.d:W
C．饱和石灰水质量大于99.1g'j0p/v0u(z6P:r9l4i+l7R1U8e.d:W
D．该过程中，石灰水中溶质的质量分数先减小后增大'j0p/v0u(z6P:r9l4i+l7R1U8e.d:W