单选题：In the following fragment, which line should be corrected.

In the following fragment, which line should be corrected.
```
1. if ( age >= 65 );
2. printf( "Age is greater than or equal to 65\n" );
3. else
4. printf( "Age is less than 65\n" );
```
@[A](1)

A. line 1
B. line 2
C. line 3
D. line 4



A.line 1
B.line 2
C.line 3
D.line 4


答案：A