___________ is a principle of extreme programming (XP) that states that a functionality should not be added until deemed necessary?

___________ is a principle of extreme programming (XP) that states tha

1.	___________ is a principle of extreme programming (XP) that states that a functionality should not be added until deemed necessary?
A.	KISS
B.	MoSCoW Method
C.	Overengineering
D.	YAGNI
Answer» E.