the system of equations n=m and n=4m is the point (0,0). which of the following statements is true.

A. (0,0) is a solution to n=m and to n=4m.

B.No point no the line n=m is also on the line n=4m.

C.every solution to n=m is also a solution to n=4m.

D.the graph of the solution is parallel lines.