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单选题:以下语句段,正确的是?

Luz5年前 (2021-05-10)题库1522
以下语句段,正确的是?
@[B](2)

A. ```
int a;
a = 10;
b = a;
```
B. ```
int a;
a = 10.23;
```
C. ```
const int a =10;
a = 20;
```
D. ```
a = 10;
int a;
```



A.```
int a;
a = 10;
b = a;
```
B.```
int a;
a = 10.23;
```
C.```
const int a =10;
a = 20;
```
D.```
a = 10;
int a;
```


答案:B