Final answer:
Location B is most likely closest to the ocean because it has the smallest temperature difference between April and October.
Step-by-step explanation:
In general, locations closer to the ocean tend to have smaller temperature differences between seasons. So, the location in the table that has the smallest temperature difference between April and October is likely closest to the ocean. Looking at the table, we can see that Location B has the smallest temperature difference of 1.7 degrees Celsius. Therefore, Location B is most likely closest to the ocean.