525 ML of a Solution Were Diluted to a Volume

Multiple Choice

52.5 mL of a solution were diluted to a volume of 6.25 L and then had a concentration of 3.16 M.What was the molarity of the initial solution?

A) 3.16(52.5/6.25) M
B) 3.16(6.25/52.5) M
C) (3.16) (52.5) (6.25) M
D) 3.16(52.5/6250) M
E) (6.25) (3.16) /0.0525 M