When entering findings using the Yes/No style of check boxes, how would you indicate that a patient does not have a reaction to anesthetics?

A) Click on Y check box for reaction to anesthetics then use the word "no" as a modifier.
B) Click on Y check box for reaction to anesthetics.
C) Click on N check box for reaction to anesthetics.
D) Leave the reaction to anesthetics line unmarked to indicate that there is no reaction

C