Interpret the Following Order

Interpret the following order. meperidine 50 mg IM stat and repeat q4h prn pain

A) meperidine 50 mg in the muscle now and every four hours as needed for pain
B) meperidine 50 mg subcutaneously now and every four hours as needed for pain
C) meperidine 50 mg in the vein now and every four hours as needed for pain
D) meperidine 50 mg in the muscle now and four times a day as needed for pain
E) meperidine 50 mg in the muscle now and four times a day