Which of the following is the correct ways to set a value 3.14 in a variable pi such that it cannot be modified?

Which of the following is the correct ways to set a value 3.14 in a va

1.	Which of the following is the correct ways to set a value 3.14 in a variable pi such that it cannot be modified?
A.	float pi = 3.14F;
B.	#define pi 3.14F;
C.	const float pi = 3.14F;
D.	const float pi; pi = 3.14F;
Answer» D. const float pi; pi = 3.14F;