Given line AB and a point P that is not on line AB, which step is part of constructing a perpendicular line to line AB from point P using a pencil tied to a string? A.) Secure push-pin at point P. Set string length past the line.

B.) Secure push-pin at point P. Set string length from point P to the line.

C.) Secure push-pin at point A on the line. Set string length from point A to point P.

D.) Secure push-pin at point A on the line. Set string length past point P.