Multiple choice:In a C language source program, the position of the main() function ()

In a C language source program, the position of main() function () @ [D] (1)
A. Must follow all other functions
B. Must precede all other functions
C. It must be in a fixed position
D. It can be anywhere




A. Must follow all other functions
B. Must precede all other functions
C. It must be in a fixed position
D. It can be anywhere


answer：D