Which of the Following Documentation Is Correct for This Medication

Which of the following documentation is correct for this medication order? Dr. Jones wants Mrs. Benton to have Benadryl 50 milligram capsules number 50 to be taken every four hours as needed for itching.

A) Benadryl 50 mg # 50 cap i qid for itching
B) Benadryl 50 mg # 50 cap i qid prn itching
C) Benadryl 50 mg # 50 capsule one q4h prn itching
D) Benadryl 50 mg # 50 cap i qd prn itching
E) Benadryl 50 mg # 50 cap i qfh prn itching