Which of the Following Code Fragments Would Not Raise an Error

Which of the following code fragments would not raise an error?

A) IF rec.state = 'VA' OR 'PA' THEN
A := b * .06;
ELSE
A := b * .04;
END IF;
B) IF rec.state = 'VA' OR rec.state = 'PA' THEN
A := b * .06;
ELSE
A := b * .04;
END IF;
C) IF rec.state = 'VA' OR rec.state = 'PA'
A := b * .06;
ELSE
A := b * .04;
END IF;
D) IF rec.state = 'VA' OR rec.state = 'PA' THEN
A := b * .06;
ELSE
A := b * .04;
END IF