单选题 在下列程序的横线处填入正确的语句，实现RandomAccessFile类使用。
package ch1;
import java. io. *;
public class ex27
{
public static void main(String args[] )
{
try
{
RandomAccessFile in = new
in.close ( );
}
catch (Exception e)
{
e.printStackTrace ();
}
}
}

• A. RandomAccessFileC"ch1/file.dat", "read")
• B. RandomAccessFile("r", "ch1/file.dat")
• C. RandomAccessFile("ch1/file.dat" , "r")
• D. RandomAecessFile("read", "ch1/file.dat")