Answer:
B
Step-by-step explanation:
The common ratio in this case, is something that is going to make the geometric sequence go down. Your will make it go up.
Common ratio = second term / first term
common ration = 125/625 = 25/125 which is obtained by dividing both top and bottom of the fraction by 5.
Its not the best possible answer, but it is the best among those given.
