The table below shows the number of miles Sam ran during different weeks of his summer vacation. Is the table arithmetic or geometric?

If arithmetic, what is the common difference. If geometric, what is the common ratio.

A.
geometric with a common ratio of 3 miles per week

B.
geometric with a common ratio of 6 miles per week

C.
arithmetic with a common difference of
2
3
2
3
miles per week

D.
arithmetic with a common difference of
3
2
3
2
miles per week