When carbon dioxide is passed through lime water, the solution turns milky, but, on prolonged passage, the solution turns clear. This is because

Options

A. A.The calcium carbonate formed initially is converted to soluble calcium bicarbonate on passage of more carbon dioxide
B. B.The reaction is reversible and lime water is regenerated
C. C.The calcium bicarbonate formed initially is converted to soluble calcium carbonate on passage of more carbon dioxide
D. D.The initially formed insoluble compound is soluble in carbonic acid.