Consider the following code segment.

public static int mysteryMethod(String word)
{
    int sum = 0;
    for(int i = 0; i < word.length(); i++)
    {
        word = word.toLowerCase();
        if(word.charAt(i) == 'a')
        {
            sum++;
        }
    }
    return sum;
}

What would the method call mysteryMethod("It was a blustery day.") return?

1. Correct Answer
   Incorrect Answer
   a

   20

2. Correct Answer
   Incorrect Answer
   b

   day

3. Correct Answer
   Incorrect Answer
   c

   3

4. Correct Answer
   Incorrect Answer
   d

   0

5. Correct Answer
   Incorrect Answer
   e

   -1