The code shown below is compiled and executed, which part of the process will hold the variable n?

a. text

b. data

c. heap

d. stack

e. BSS

long sum 0; void do_work(int); int main(int argc, char **argv) { struct tms t; int n = 100000; do_work(n); times (&t); printf("system time: %ju ticks ", (uintmax_t) t.tms_stime); return 0; } void do_work(int n) { long i; int fd; char buf[1024]; for (i = 1; i