Consider the following definition in c programming language.

struct node
{
    int data;
    struct node * next;
}
typedef struct node NODE;
NODE *ptr;

Which of the following c code is used to create new node?

A. ptr = (NODE*)malloc(sizeof(NODE));

B. ptr = (NODE*)malloc(NODE);

C. ptr = (NODE*)malloc(sizeof(NODE*));

D. ptr = (NODE)malloc(sizeof(NODE));

Answer: Option A