What is displayed after line 6 is run?
```
1 queue
2 list.push(“eggs”);
3 list.push(“milk”);
4 list.push(“bread”);
5 list.push(“cheese”);
6 cout << line.size();
7 list.pop();
8 cout << list.front();
9 list.pop();
10 list.pop();
11 list.pop();
```
A. true
B. false
C. 0
D. 4
D
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