The Nurse Makes a Medication Error and a Patient Dies

The nurse makes a medication error and a patient dies.In court,the attorney for the family of the deceased patient asks the nurse if she followed standards of care in administering the medication.How would the attorney phrase this ?

A) "Did you follow agency guidelines as in previous circumstances?"
B) "Did you follow the physician's orders and double-check them before administration?"
C) "Did you do the three checks and follow the five rights as taught in school?"
D) "Did you do what another nurse would have done under similar circumstances?"