Which line in the following program contains a call to the showDub function?

```
1 #include
2 using namespace std;
3 void showDub(int);
4 int main()
5 {
6 int x = 2;
7 showDub(x);
8 cout << x << endl;
9 return 0;
10 }
11 void showDub(int num)
12 {
13 cout << (num * 2) << endl;
14 }
```

a. line 3
b. line 4
c. line 7
d. line 11


c. line 7

Computer Science & Information Technology

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A) You smell a burning odor. B) The computer shows a blinking cursor in the upper-left corner. C) You smell an odor of sour lemons. D) The system boots briefly and then shuts down. E) An error code appears. F) The computer plays tones of increasing intensity.

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