What does the following mystery function return?

public static int mystery(int[][] values) {
    int count = 0;
    for (int row = 0; row < values.length; row++) {
        for (int col = 0; col < values[row].length; col++) {
            if (values[row][col] == 1) {
                count++;
                break;
            }
        }
    }
    return count;
}

1. Correct Answer
   Incorrect Answer
   a

   mystery returns the number of columns in which 1 appears

2. Correct Answer
   Incorrect Answer
   b

   mystery returns the number of times 1 appears in values

3. Correct Answer
   Incorrect Answer
   c

   mystery returns the number of times 1 appears in the first row of values

4. Correct Answer
   Incorrect Answer
   d

   mystery returns 1 if 1 appears in the first row of values and 0 otherwise

5. Correct Answer
   Incorrect Answer
   e

   mystery returns the number of rows in which 1 appears