Given the following procedure:

PROCEDURE grade(num)
{
    IF (num > 90)
    {
        RETURN ("A")
    }
    IF (num > 80)
    {
        RETURN ("B")
    }
    IF (num > 70)
    {
        RETURN ("C")
    }
    RETURN ("Study more!")
}

What will the following code display?

DISPLAY (grade(85))

1. Correct Answer
   Incorrect Answer
   a

   A

2. Correct Answer
   Incorrect Answer
   b

   B

3. Correct Answer
   Incorrect Answer
   c

   B C

4. Correct Answer
   Incorrect Answer
   d

   Study more!