The equation of a circle which passes through the point (1,−2) and (4,−3) and whose centre lies on the line 3x+4y=7 is ?
A. 15(x² +y² )−94x+18y−55=0
B. 15(x² +y² )−94x+18y+55=0
C. 15(x² +y² )+94x−18y−55=0
D. none of these