Sugar maple (Acer saccharum) is a tree species that is found throughout the northeastern United States in higher-elevation sites without sandy soils. What can you conclude about the distribution of sugar maples in terms of their geographic range and realized niche?

Acer saccharum, the sugar maple or rock maple, is a species of flowering plant in the soapberry and lychee family Sapindaceae.It is native to the hardwood forests of eastern Canada, from Nova Scotia west through southern Quebec, central and southern Ontario to southeastern Manitoba around Lake of the Woods, and the northern parts of the central and northeastern United States.

it is either c or d and i know for sure it is not a or b