Which one of the following is not true about this program?

#include<stdio.h>
#include<signal.h>
 
void response (int);
void response (int signo)
{
    printf("%s\n",sys_siglist[signo]);
    signal(SIGSEGV,SIG_IGN);
}
int main()
{
    signal (SIGSEGV,response);
    char *str;
    *str = 10;        
    return 0;
}

A. kernel sends SIGSEGV signal to a process as segmentation fault occurs

B. in this process signal handler will execute only one time of recieving the signal SIGSEGV

C. all of the mentioned

D. none of the mentioned

Answer: Option D