People are most influenced in their thinking about themselves as well as members of particular groups by A:Doing extensive research
B:The subtleties of language
C:The color of their eyes
D:What people call them

Hey so I think the answer is D

the game was released on september 15, 2015 for microsoft windows and os x, and on july 17, 2016 for linux. fox expressed interest in releasing undertale on other platforms, but was initially unable to port it to nintendo platforms without reprogramming the game due to the engine's lack of support for these platforms.