Which of the Following Is True of Carbonate Salts and Phosphate

Which of the following is true of carbonate salts and phosphate salts?

A) Most carbonate salts are soluble, but most phosphate salts are insoluble.
B) Most phosphate salts are soluble, but most carbonate salts are insoluble.
C) Most carbonate salts and most phosphate salts are soluble.
D) Most carbonate salts and most phosphate salts are insoluble.