What will be the output of the program in 16 bit platform (Turbo C under DOS)? #include<stdio.h> int main() { extern int i; i = 20; printf("%d n", sizeof(i)); return 0; }

• A. 2
• B. 4
• C. vary from compiler
• D. Linker Error : Undefined symbol
• E. <i class="C-code">'i'</i>