下列解方程去分母正确的是                                 （    ）

A．由,得2x - 1 =" 3" - 3x;

B．由,得2(x - 2) - 3x - 2 =" -" 4

C．由,得3y + 3 =" 2y" - 3y + 1 - 6y;

D．由,得12x - 1 =" 5y" + 20