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单选题：Given code below:

Luz5年前 (2021-05-10)题库1278
Given code below:
```Java
List ls = new ArrayList();
List lo = ls;
lo.add(new Object());
String s = ls.get(0);
```
Which statement below is correct? @[A](2)

A. It does not compile
B. It compiles but exception raises at line 2
C. It compiles but exception raises at line 3
D. It compiles but exception raises at line 4




A.It does not compile
B.It compiles but exception raises at line 2
C.It compiles but exception raises at line 3
D.It compiles but exception raises at line 4


答案：A

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