What is the output of the following program? main ( ) { extern int x; x = 20; printf(“\n%d”, x); }

What is the output of the following program? main ( ) { extern int

1.	What is the output of the following program? main ( ) { extern int x; x = 20; printf(“\n%d”, x); }
A.	0
B.	20
C.	error
D.	garbage value
Answer» D. garbage value