What is the difference between the antelopes Oryx and Chiru?

A Oryx is poached for its antlers whereas chiru is poached for its musk

B Oryx exists in western India only whereas Chiru exits in north- east India only

C Oryx is adapted to live in hot and arid areas whereas Chiru is adapted to live in steppes and semi-desert areas of cold high mountains

D None of the statements (A), (B) and (C) given above is correct