The precipitate of CaF₂ (Ksp=1.7×10⁻¹⁰ ) is obtained when equal volumes of which of the following are mixed?
A. 10⁻⁴MCa²⁺ 10⁻⁴MF⁻
B. Both
C. 10⁻²MCa²⁺ 10⁻³ MF⁻
D. None of these