Which line in the following code is the loop control variable update?
1. int x, total = 0;
2. cin >> x;
3. while (x != 10)
4. {
5. total = total + x;
6. cout << x * 2;
7. cin >> x;
8. }
a) 1
b) 2
c) 5
d) 7
d) 7
Computer Science & Information Technology
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