Which Order Should Be Clarified by a Nurse When Transcribing

Which order should be clarified by a nurse when transcribing orders?

A) Potassium chloride, 80 mEq in 1000 mL D₅W in 24 hours
B) Potassium chloride, 40 mEq IV in 10 mL D₅W IV push
C) Potassium chloride, 50 mEq in 500 mL D₅W in 4 hours
D) Potassium chloride, 80 mEq in 1000 mL D₅W in 12 hours