25 POINTS THIS IS A TEST SO SIMPLEST ANSWER WILL GET BRANLIEST PLZ HURRY Selena made a chart to group adaptations in birds based on their main functions.

Which functions should Selena use as headings to complete the chart?

A) X: Flight
Y: Feeding and Digestion

B) X: Maintaining Body Temperature
Y: Circulating Oxygen

C) X: Flight
Y: Circulating Oxygen

D) X: Maintaining Body Temperature
Y: Feeding and Digestion