How many times is the loop body of the while statement executed?

```
z = 0;
g = 0;
s = 0;
i = 0;
while (i < 50) {
scanf("%d", &t);
s = s + t;
if (t >= 0)
g = g + 1;
else
z = z + 1;
i = i + 1;
}
```
a. once
b. never
c. 49 times
d. 50 times
e. until a number 50 or larger is entered

d. 50 times